Collection: Single Wall Shipping Boxes | Corrugated Cardboard Boxes

Pack, store and ship products with single wall shipping boxes from Gpack Supplies. These corrugated cardboard boxes provide a practical packaging solution for e-commerce orders, retail fulfillment, warehouse operations, moving, storage and general commercial shipping.

Our collection includes rectangular corrugated boxes in a wide range of dimensions, from compact cartons for small parts and accessories to larger boxes for merchandise, equipment, household items and warehouse shipments. Choose the box size that closely matches your product to reduce unnecessary empty space and improve packing efficiency.

Available dimensions include sizes from 6 x 4 x 4 inches through 24 x 18 x 18 inches. Product availability may vary by size. All box dimensions are listed as length x width x height and generally refer to the interior dimensions of the assembled box.

Local pickup and fast delivery options available in Miami and Broward.

Shipping boxes corrugated cardboard boxes for packaging moving and shipping supplies Gpack Supplies Miami warehouse

Single Wall Corrugated Shipping Boxes for Commercial Packaging

Single wall shipping boxes are corrugated cardboard cartons made with one fluted layer positioned between two flat linerboard surfaces. This construction provides a practical balance of strength, weight and cost for many everyday packaging applications.

Businesses use single wall corrugated boxes for shipping products, storing inventory, preparing e-commerce orders, moving merchandise and organizing warehouse operations. They are commonly selected for lightweight and medium-weight products that do not require the additional protection of a double wall box.

Gpack Supplies offers rectangular single wall boxes in a broad range of sizes. This allows businesses to select cartons that closely match their products, reduce unused space and limit the amount of cushioning material required inside each package.

The best box depends on the dimensions, weight, shape and fragility of the product. Shipping distance, carrier handling, stacking conditions and storage environment should also be considered before selecting a carton.

Available Single Wall Box Sizes

The following sizes are offered within this collection. All dimensions are stated in inches and follow the standard order: length x width x height.

Availability can change. Sizes marked unavailable in Shopify may return to stock later, so customers should review the individual product variant before placing an order.

Box Size	Suggested Applications
6 x 4 x 4	Small parts, accessories, hardware and compact products
6 x 6 x 4	Small retail products, samples and replacement parts
5 x 5 x 10	Tall narrow products and cylindrical items — availability may vary
8 x 4 x 4	Long small components and accessories — availability may vary
8 x 8 x 4	Flat products, kits, small electronics and retail merchandise
8 x 6 x 3	Low-profile products, documents, parts and accessories
8 x 6 x 4	Small warehouse orders, hardware and e-commerce products
9 x 4 x 4	Long narrow parts, tools and specialty items
9 x 5 x 5	Accessories and small merchandise — availability may vary
9 x 7 x 5	Small equipment, product kits and replacement components
9 x 7 x 7	Cube-shaped products, supplies and retail merchandise
10 x 5 x 5	Long narrow products, tools, bottles and accessories
10 x 8 x 6	General e-commerce products, parts and bundled merchandise
10 x 10 x 6	Medium flat products, retail kits and warehouse shipments
12 x 4 x 4	Long components, tools, hardware and narrow products
12 x 6 x 6	General merchandise, equipment parts and shipping supplies
12 x 6 x 12	Tall products, bottles, rolled goods and vertical components
12 x 9 x 4	Flat products, printed materials, apparel and product kits
12 x 9 x 6	General shipping, e-commerce orders and warehouse products
12 x 9 x 9	Medium merchandise, accessories and retail distribution
12 x 12 x 6	Flat square products, apparel and larger kits
12 x 10 x 8	Medium products, household items and bundled merchandise
14 x 10 x 4	Flat merchandise, documents, frames and shallow products
14 x 10 x 10	Medium warehouse orders, equipment and retail products
15 x 12 x 6	Apparel, larger accessories, product sets and supplies
16 x 12 x 8	General commercial shipments and medium-size merchandise
16 x 12 x 10	Household products, equipment and larger e-commerce orders
16 x 12 x 12	Cube-shaped merchandise, warehouse supplies and storage
18 x 12 x 12	Larger retail products, equipment and general shipping
20 x 12 x 6	Long flat products, textiles, apparel and components
20 x 12 x 12	Larger merchandise and equipment — availability may vary
20 x 15 x 12	Larger household products, warehouse shipments and equipment
21.5 x 14.5 x 9	Commercial products, apparel, retail kits and merchandise
21.5 x 14.5 x 13	Bulkier products, warehouse goods and larger order fulfillment
22 x 14 x 3	Large flat products, artwork, printed materials and shallow items
24 x 12 x 12	Long merchandise, equipment components and warehouse supplies
24 x 16 x 12	Larger commercial shipments, household items and retail products
24 x 18 x 18	Bulky lightweight products, moving, storage and large merchandise

How Corrugated Single Wall Boxes Are Constructed

A single wall corrugated box consists of one fluted sheet bonded between an inside liner and an outside liner. The fluting creates air channels that help provide rigidity, cushioning and resistance to compression.

This construction is lighter than double wall corrugated board and is commonly used for products that do not require heavy-duty protection. Box strength can vary based on the grade of paper, flute profile, board construction and manufacturer specifications.

Not every single wall box has the same weight capacity. Customers shipping heavier or fragile merchandise should review the product specifications and consider double wall boxes when additional protection is needed.

How to Read Corrugated Box Dimensions

Corrugated box measurements are normally listed in the following order:

Length x Width x Height

Length: the longest side of the box opening.
Width: the shorter side of the box opening.
Height: the distance from the box opening to the bottom.

For example, a 12 x 9 x 6-inch box measures 12 inches long, 9 inches wide and 6 inches high. Measurements generally refer to the interior dimensions of the assembled carton.

Always measure the product before selecting a box. Include additional room for bubble wrap, packing paper, foam, air pillows or other protective materials.

How to Choose the Correct Shipping Box Size

Measure the Product

Measure the length, width and height of the product at its widest points. For irregularly shaped products, include protruding components and any protective packaging already attached to the item.

Allow Room for Cushioning

Fragile products need space for cushioning around all sides. A carton that fits too tightly may not allow enough room for bubble wrap, foam or packing paper.

Avoid Excessive Empty Space

A box that is much larger than the product can allow movement during shipping and may require unnecessary void-fill material. Choose a carton that provides enough protection without excessive unused space.

Consider the Product Weight

Single wall cartons are commonly used for lightweight and medium-weight products. Heavy, dense or fragile merchandise may require double wall construction, reinforced packaging or additional internal protection.

Consider Shipping Conditions

Long-distance shipments, parcel-carrier networks and repeated handling can place additional stress on the carton. Products that will be stacked or transported through multiple facilities may require stronger packaging.

Single Wall vs. Double Wall Shipping Boxes

Single Wall Boxes

One fluted corrugated layer
Lighter carton construction
Suitable for many everyday shipments
Common for e-commerce and retail fulfillment
Useful for lightweight and medium-weight products
Generally requires less storage space when flattened

Double Wall Boxes

Two fluted corrugated layers
Greater rigidity and protection
Better suited for heavier products
Useful for fragile or high-value merchandise
Can provide improved stacking strength
Often selected for demanding shipping conditions

Single wall boxes are appropriate for many routine shipments, but they should not automatically be used for every product. Double wall cartons may be the better choice when product weight, fragility or transportation conditions require additional strength.

Common Applications for Single Wall Shipping Boxes

E-Commerce Fulfillment

Online retailers use corrugated boxes to ship apparel, accessories, electronics, household items and many other products.

Warehousing

Warehouses use boxes for order picking, internal transfers, storage, inventory organization and outbound shipments.

Retail Distribution

Retailers use cartons to transfer products between stores, prepare customer orders and organize back-room inventory.

Manufacturing

Manufacturers package finished goods, components, replacement parts and product kits in corrugated cartons.

Moving and Storage

Single wall boxes can be used for lightweight household goods, office supplies, documents and general moving applications.

Repair and Parts Businesses

Auto parts, electronics, appliance and maintenance companies use boxes to store and ship replacement components.

Food and Beverage Distribution

Corrugated cartons may be used as secondary packaging when the selected box is suitable for the product and storage environment.

Office Operations

Businesses use boxes to store documents, move equipment and organize supplies between departments.

Benefits of Single Wall Corrugated Boxes

Available in many dimensions for different products
Suitable for shipping, storage, fulfillment and moving
Lightweight compared with heavier corrugated constructions
Easy to fold and assemble
Compatible with packing tape and carton-sealing equipment
Can be combined with bubble wrap and packing paper
Clear surface for labels and shipping documents
Stackable when properly selected and packed
Can be stored flat before use
Corrugated cardboard may be recyclable where accepted

How to Assemble a Corrugated Shipping Box

Open the flattened carton and form it into a rectangular shape.
Fold the smaller bottom flaps inward.
Fold the larger bottom flaps over the smaller flaps.
Apply packing tape across the center seam.
Add side strips or use an H-tape pattern when additional reinforcement is needed.
Place cushioning material in the bottom before inserting fragile products.
Center the product and fill open spaces to limit movement.
Close and tape the upper flaps using the appropriate sealing method.

How to Seal Shipping Boxes Properly

Standard packing tape should be applied to a clean, dry carton surface. Center the tape over the seam where the two major flaps meet and extend it several inches down both sides of the box.

For heavier or more valuable shipments, use an H-tape method. Apply one strip along the center seam and one strip along each outer edge where the flaps meet. This helps secure the primary openings of the carton.

Tape should not be used as a substitute for a box that is too weak, wet, crushed or damaged. Replace compromised cartons before packing important merchandise.

Choosing Protective Packaging for Corrugated Boxes

Bubble Wrap

Bubble wrap provides cushioning for fragile items such as glass, electronics, ceramics and sensitive components. Select the bubble size based on the product weight and level of protection required.

Packing Paper

Newsprint packing paper and kraft paper can wrap products, separate items and fill empty spaces inside cartons. Paper is useful for dishes, glassware, merchandise and general warehouse packing.

Air Pillows

Air pillows are lightweight void-fill materials used to limit movement inside cartons. They are generally better for filling open spaces than for wrapping sharp or heavy products.

Foam

Foam sheets, rolls and inserts can protect surfaces and provide cushioning for electronics, furniture components and delicate finishes.

Poly Bags

Poly bags can protect individual products from dust, dirt and handling before they are placed inside the shipping carton.

Common Shipping Box Mistakes

Choosing a Box That Is Too Large

Excessive empty space can allow the product to shift and may increase the amount of void fill needed.

Choosing a Box That Is Too Small

A tight carton may place pressure on the product and leave insufficient space for cushioning.

Using a Damaged Box

Wet, crushed or torn cartons may have reduced strength and should not be used for important shipments.

Overloading a Single Wall Box

Dense or heavy products may require a stronger carton. Do not rely on additional tape to compensate for inadequate box construction.

Leaving Empty Space Inside

Unfilled spaces allow products to move during handling. Use appropriate cushioning or void fill to stabilize the contents.

Applying Too Little Tape

Tape should extend beyond the top seam and down the sides of the box. Additional reinforcement may be needed for heavier packages.

How to Store Flat Corrugated Boxes

Store unused boxes flat in a clean, dry indoor area. Keep them away from water, excessive humidity, direct sunlight and chemicals that may affect the paper.

Do not place extremely heavy products on top of flattened boxes because pressure can crush the fluting and reduce carton performance.

Keep boxes off the warehouse floor when possible, especially in areas where water or moisture could be present. Rotate inventory so older cartons are used before recently received stock.

Single Wall Shipping Boxes Frequently Asked Questions

What is a single wall corrugated box?

A single wall corrugated box contains one fluted paper layer between two flat linerboard surfaces. It is commonly used for everyday shipping, storage and fulfillment.

What are single wall boxes used for?

They are used for e-commerce shipments, retail distribution, warehouse storage, moving, manufacturing and general commercial packaging.

What sizes are available?

Available dimensions range from compact 6 x 4 x 4-inch cartons through larger 24 x 18 x 18-inch boxes. Availability varies by size.

How are box dimensions listed?

Corrugated box dimensions are generally listed as length x width x height.

Are the measurements interior or exterior?

Corrugated box dimensions generally refer to the interior dimensions of the assembled carton. Review the individual product page to confirm.

How much extra space should I allow around a product?

Allow enough room for the cushioning required by the product. Fragile merchandise may need several inches of protective material around all sides.

Are single wall boxes suitable for heavy products?

They can be suitable for some medium-weight products, but dense or heavy merchandise may require double wall boxes or stronger packaging.

What is the difference between single wall and double wall boxes?

Single wall boxes contain one fluted layer. Double wall boxes contain two fluted layers and generally provide greater rigidity and protection.

Can single wall boxes be used for e-commerce shipping?

Yes. They are commonly used for apparel, accessories, retail products, replacement parts and many other e-commerce orders.

Can these boxes be used for moving?

Yes. They can be used for lightweight household goods, office materials, clothing and general moving applications.

Can corrugated boxes be reused?

A box may be reused when it remains clean, dry and structurally sound. Replace cartons that are crushed, torn or weakened.

Are corrugated boxes recyclable?

Corrugated cardboard is commonly accepted by recycling programs, but local requirements vary. Remove excessive tape, plastic and contaminants when required.

What packing tape should I use?

Commercial acrylic or hot melt packing tape can be used depending on carton weight, surface condition, storage environment and application requirements.

What is the H-tape method?

The H-tape method uses one strip along the center seam and additional strips along the two outer flap seams, creating a shape similar to the letter H.

Can I use masking tape to close shipping boxes?

Masking tape is not generally designed for carton sealing. Use commercial packing tape made for corrugated boxes.

Can I use duct tape on shipping boxes?

Duct tape is not the preferred option for routine carton sealing. Its adhesive and backing may not perform consistently on corrugated surfaces.

How do I prevent products from moving inside the box?

Use bubble wrap, packing paper, foam, air pillows or other appropriate cushioning to fill empty spaces and stabilize the product.

Can I ship fragile items in a single wall box?

Some fragile items can be shipped in single wall cartons when properly cushioned, but valuable or highly sensitive products may require double wall boxes or specialized packaging.

Can shipping labels be applied directly to the box?

Yes. Apply labels to a clean, flat surface and avoid placing them across seams, corners or heavily taped areas.

Can a box be cut down to reduce its height?

A box can sometimes be resized by scoring and folding it, but improper modifications can weaken the carton. Use the correct box size when possible.

Can I store corrugated boxes outside?

Outdoor storage is not recommended because moisture, sunlight and humidity can weaken the cardboard.

How should unused boxes be stored?

Store them flat in a clean, dry indoor area and protect them from moisture, excessive pressure and direct sunlight.

Can boxes be stacked in a warehouse?

Yes, when the cartons and contents are appropriate for stacking. Heavy loads should be placed at the bottom and pallets should remain stable.

Does a larger box hold more weight?

Not necessarily. Weight capacity depends on the board construction, specifications, product distribution and shipping conditions—not only size.

Can extra tape make a weak box stronger?

Tape can reinforce seams, but it cannot replace a carton that is not strong enough for the product. Select the proper box construction first.

Do you sell single wall boxes in bulk?

Yes. Gpack Supplies offers corrugated shipping boxes for commercial, warehouse and wholesale packaging operations. Pack quantities vary by size.

Are all displayed box sizes currently available?

Availability can change. Review the product variant selector for current inventory and purchasing status.

Is local pickup available in Miami?

Yes. Local pickup and fast delivery options available in Miami and Broward.

Do you ship corrugated boxes outside Miami?

Shipping options depend on box size, order quantity and destination. Large or bulky orders may require different delivery or freight arrangements.

Cajas Corrugadas Single Wall para Envíos

Gpack Supplies ofrece cajas corrugadas single wall para preparar envíos, almacenar mercancía, organizar inventario y empacar pedidos de comercio electrónico. Estas cajas contienen una capa corrugada entre dos superficies planas de cartón.

Son una opción práctica para productos livianos y de peso medio que no necesitan la protección adicional de una caja double wall. Para mercancía pesada, frágil o de alto valor, puede ser conveniente utilizar cajas más resistentes.

Cómo interpretar las medidas

Las medidas se presentan en el siguiente orden: largo x ancho x alto. Normalmente corresponden al espacio interior de la caja armada.

Cómo escoger la caja correcta

Mide el producto y agrega espacio para bubble wrap, papel de empaque, foam u otro material protector. Evita utilizar una caja demasiado grande porque el artículo puede moverse durante el transporte.

También debes considerar el peso, la fragilidad, la distancia del envío y las condiciones de manejo. Las cajas single wall funcionan bien para muchas aplicaciones comerciales, pero no son adecuadas para todos los productos.

Algunos tamaños disponibles

6 x 4 x 4 pulgadas
8 x 6 x 4 pulgadas
9 x 7 x 7 pulgadas
10 x 8 x 6 pulgadas
12 x 9 x 6 pulgadas
14 x 10 x 10 pulgadas
16 x 12 x 12 pulgadas
18 x 12 x 12 pulgadas
20 x 15 x 12 pulgadas
24 x 18 x 18 pulgadas

La colección incluye muchas otras medidas. La disponibilidad de cada variante puede cambiar.