Top 10 Thick Cardboard Sheets Large UK – Box Mailers

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1. Packaging2Buy

762x1016mm x 3mm Thick, Cushioning & Crafts or as Packing Wrap / Sleeves. Clean Card Sheeting, Corrugated Cardboard Sheets x 20 Sheets, 125 Grade. Packaging2Buy's Strong, but Lightweight Single Wall Board, is Good For Packaging, Includes Recycled Materials & Can Be Reused Or Recycled.

Packaging2Buy - They are lightweight for postage but also strong enough to stabilise pallets and improve product stacking. Made from single wall board, the corrugated card sheets have smooth Kraft paper on each side and are 3mm thick. Reliable corrugated card packaging - the shock-absorbing single flute design of our sheets of cardboard provides ideal cushioning wrap for goods in transit and protects them from scratches.

Cardboard for arts and crafts - this is ideal crafts cardboard as the sheets are pleasant to handle, are made from robust corrugated card that suits modelling, and have a nice smooth Kraft surface that takes paint well. Used flat, the sheets add rigidity, ideal for artwork in envelopes or as separators / layering pads in boxes. Supplied in packs of 20, arts and crafts. Use them as dividers or pads; you can even create your own boxes from them.

Cost-effective eco-friendly corrugated cardboard - our packs contain 20 large cardboard sheets sized 30 x 40ins 762 x 1016mm made from top grade biodegradable board that’s mainly recycled. They are easy to cut to shape with a sharp knife and can be taped or glued. Stiff but not too thick at 3mm, the sheets are good for mounting artwork. Clean and fresh, including protective packaging, sized 762x1016mm 30x40ins. Convenient corrugated card sheets - our single wall cardboard sheets are handy for both the home and workplace.
BrandPackaging2Buy
ManufacturerPackaging2Buy
Height0 cm (0 Inches)
Length101.6 cm (40 Inches)
Weight0.41 kg (0.9 Pounds)
Width76.2 cm (30 Inches)
Part NumberL100
ModelL100

2. BELLE VOUS

2.8mm Thick Flat Pack Kraft Board for Mailing, Arts, Crafts and Packaging, 18 x 12.5cm / 7 x 4.9 Inches, Belle Vous Brown Corrugated Packing Cardboard Sheets 100 Pack

BELLE VOUS - The sheets are 2. 8mm in thickness and feature 3 layers. Easy to manipulate: our card can be cut, making boxes, it can be used for 3D model making, glued, folded, embellished and ripped with ease. Money back guarantee: all our cardboard sheets that are sold come with a 100% money back guarantee just in case you are not happy with your purchase.

They measure 18 x 12. 5cm 7 x 4. 9 inches. As our cardboard is so versatile, school projects and classroom displays. You can also layer them up and use them inside cardboard boxes to add extra padding inside, or in between items to stop them from rubbing and hitting together. It can also be used for backing prints or art to give them more structure. Use the sheets in envelopes to add rigidity to the paper or letters that you are sending via post.

100 cardboard sheets: included in our set are 100 sheets of corrugated kraft cardboard. It has kraft paper on each side with a glued single fluted centre which gives the cardboard support but allows it to be flexible too. If that is the case, please get in contact with us and we will refund you. Each sheet is eco-friendly and can be recycled after use. They can be cut with scissors and stuck with glue or sellotape.
BrandBELLE VOUS
ManufacturerBELLE VOUS
Height0.28 cm (0.11 Inches)
Length18 cm (7.09 Inches)
Weight1.07 kg (2.36 Pounds)
Width12.5 cm (4.92 Inches)
Part NumberBVOUS-CCDS

3. Juvale

Crafts, 24-Pack Bulk Flat Square Inserts for Packing, Corrugated Cardboard Sheets, 30.5 x 30.5 cm, Mailing

Juvale - High quality: our flat cardboard sheets are made of corrugated cardboard that is strong and durable. Cardboard sheets: this set of versatile cardboard sheets come in a traditional brown colour; the solid backing makes them ideal for crafts. What's included: you will receive 24 cardboard sheets, 305 x 305 cm each. Dimensions: these cardboard squares measure 305 x 305 cm. Perfect for: use these cardboard squares for extra protection against bending when putting important documents in the mail.
BrandJuvale
ManufacturerJuvale
Height2 cm (0.79 Inches)
Length30.5 cm (12.01 Inches)
Width30.5 cm (12.01 Inches)
Part NumberJuvale
ModelJuvale

4. Ei-Packaging

A2 594mm x 420mm Thick Double Wall Cardboard Corrugated Sheets Pads Dividers Art Craft Board QTY 25 Sheets

Ei-Packaging - Made from Double Wall Corrugated. 5mm Thickness. 594mm x 420mm A2 Size. Suitable for Arts and Craft projects. Can be used to add rigitdity to packages.
BrandEi-Packaging
Manufacturerei-Packaging
Part NumberAB20102/25

5. indigo

Indigo 10 x Single Wall Flat Cardboard Sheets for Packing Removal Storage, Different Sizes 1200 x 800

indigo - Great for storage, removals and stacking on top of each other. Flat packed cardboard, can be use for pads and separation layers. Can be used in strapping machines and packing machines. Buff tape and other sizes also available. Supplied flat-packed and bundled for easy storage.
Brandindigo
ManufacturerIndigo
Part NumberINDA3BOX4R

6. 通用

DIY Crafts, 3mm Thick Cardboard Sheets for Mailing, Arts, HAKZEON 60 Pack A4 Corrugated Cardboard Sheets, Packaging, Brown

通用 - They can also be used as photo backgrounds, for framing, and for extra protection when mailing. Each corrugated cardboard sheet is 8. 5-inch long, 11-inch wide and 1/8 inch thick. Money back warranty - you will receive 60 pcs of high-quality corrugated cardboard sheets. Get a set for your art project at school! Versatile use - our a4 cardboard sheets are ideal for protecting important documents from bending or crumpling when sent by mail.

Durable & long lasting - these cardboard sheets are strong and durable, so they can withstand punctures or pressure from sharp objects. 60 pcs value pack - this pack with 60 pieces corrugated cardboards sheets are ideal for all kinds of DIY projects and packaging. Our cardboard sheets will not break easily even after repeated use. The cardboard sheet in this set is brown.

This set is ideal for handicraft or DIY projects where a solid background is needed. It is also very versatile and can be cut, printed, folded and glued to make boxes. Please do not hesitate to contact us and we will refund your money. Quality design - the a4 corrugated cardboard sheets are made of durable kraft paper that has been pressed and glued together in 3 layers to form corrugated cardboard. All corrugated cardboard sheets from HAKZEON include a 100% money back guarantee in case you are not satisfied with your purchase.
Brand通用
ManufacturerHAKZEON

7. Leo Design

Large Cardboard Sheets, Protective Boards 6 & 12 & 24 Pack- LEO Design 6, Mailing, Arts & Crafts. 3mm Thickness, A4 Corrugated Cardboard Sheets for Packing, A4 210 x 297 mm Kraft Board

Leo Design - Protect: these corrugated cardboard sheets are great for use as dividers, in craft projects or adding rigidity to items being sent in the post. Easter gifts.

Made in Britain. Perfect for crafts that require a solid backing. Size information: a4 = 21 x 29. 7 cm. Cardboard sheets: 6 & 12 & 24 pcs solid corrugated kraft traditional brown colored cardboard sheets. Multiple uses: versatile sheets: suitable for pack prints, photos and postcards for sending via post, magazines, Office use, flower pressing, artwork, making welcome signs or making photo frames. A3 pad. 3mm single wall 3 layers. Premium quality: made from sturdy Single Wall corrugated, these sheets offer maximum rigidity with minimal profile. Eco-friendly and Easy to recycle.
BrandLeo Design
ManufacturerLeo Design
Height0.3 cm (0.12 Inches)
Length21 cm (8.27 Inches)
Width29.7 cm (11.69 Inches)
Part NumberL-CS-22

8. Artway

Corrugated Modelmaking Cardboard 2mm, 300gsm kraft laminated outer surfaces. A1 x 30 sheets

Artway - 84 x 60cm sheets slightly bigger than A1 on the long edge. Corrugated card with 300gsm Kraft Paper on each side and a thin fluting in-between. Approximately 2mm thick. Model number: Corrugated Card.
BrandArtway
ManufacturerArtway
Part NumberCorrugated Card
ModelCorrugated Card

9. party-decor

Brown on Both Sides, Pack of 20, E Flute 1mm thick, Corrugated Cardboard Sheets, A5 Size 210mm x 148.5mm

party-decor - Please check our shop for other shipping boxes and many other products. Perfect for adding sturdiness and rigidity to parcels for shipping. A5 size: 210mm x 148. 5mm. Made from single wall E flute 1mm thick cardboard. Great for at home and school arts and craft projects.
Brandparty-decor
Manufacturerparty-decor
Height2 cm (0.79 Inches)
Length25 cm (9.84 Inches)
Width5 cm (1.97 Inches)

10. BELLE VOUS

3mm Thick Flat Pack Kraft Board for Mailing, Arts, Crafts and Packaging, Belle Vous Brown A4 Corrugated Packing Cardboard Sheets 24 Pack

BELLE VOUS - Easy to manipulate: our card can be cut, simply score the cardboard and bend. Protective packaging: these sheets are essential for packaging items for postage as they provide extra protection against bending, scratching and dust. As our cardboard is so versatile, embellished and ripped with ease.

To fold, making boxes, glued, shaped, folded, it can be used for 3D model making, wrapped, painted, school projects and classroom displays. Multiple uses: this pack of card can be used for so many different purposes. The card is also lightweight and economical to reduce packaging and shipping costs. It is brown in colour and is A4 size. They can be cut with scissors and stuck with glue or sellotape. The sheets are 3mm in thickness and feature 3 layers. 24 cardboard sheets: included in our set are 24 sheets of corrugated kraft cardboard.

Money back guarantee: all our cardboard sheets that are sold come with a 100% money back guarantee just in case you are not happy with your purchase. It has kraft paper on each side with a glued single fluted centre which gives the cardboard support but allows it to be flexible too. Simply cut a hole in the middle and make your own rustic photo frames. You can also layer them up and use them inside cardboard boxes to add extra padding inside, or in between items to stop them from rubbing and hitting together.
BrandBELLE VOUS
ManufacturerBELLE VOUS
Part NumberBVOUS-CCS