Top 10 Thin Cardboard Sheets – Box Mailers

As an Amazon Associate I earn from qualifying purchases.

1. Karres

#ad

Crafts Squared Size, Mailing, Corrugated Cardboard Sheets 24 Packs 12x12 Inches Brown Kraft Paper Inserts for Packing

#ad
Karres #ad - Material: b-flute Corrugated Cardboard 1/8" thick. Perfect for DIY crafting ideas. Use the sheets for extra protection against bending when putting important documents in the mail. Quantity: 24 sheets. Dimensions: each piece of cardboard measures 12"x12" square size. Crafting ideas - use as a photo backing, picture frame or welcome sign! Perfect for crafts that require a solid backing! For mailing or packing - perfect to add extra protection when shipping.
BrandKarres #ad
ManufacturerKarres #ad
Part NumberKS_025

2. Karres

#ad

Mailing, Corrugated Cardboard Sheets 24 Packs 8.5 x 11 inches Brown Kraft Paper Inserts for Packing, Crafts Letter Size

#ad
Karres #ad - Dimensions: each piece of cardboard measures 8. 5 x 11" letter size. Perfect for document mailing protection. Quantity: 24 sheets. Crafting ideas - use as a photo backing, picture frame or welcome sign! Perfect for crafts that require a solid backing! For mailing or packing - perfect to add extra protection when shipping. Material: b-flute Corrugated Cardboard 1/8" thick. Use the sheets for extra protection against bending when putting important documents in the mail.
BrandKarres #ad
ManufacturerKarres #ad
Part NumberKS_024

3. S Superfine Printing

#ad

30 pt Point | Medium Weight Scrapbook Sheets | Brown Kraft Cardboard | 25 Sheets per Pack | 8.5 x 11 Inches, Chipboard

#ad
S Superfine Printing #ad - Brown cardboards are perfect to use for art projects, bulletin boards, photos, picture frames and more! Backing for notepads, and prints are ideal to use with Brown Medium Weight Chipboards. 25 sheets per Pack of brown chipboards. Backing for notepads, photos, and prints. 8. 5 x 11 inches medium weight Chipboard - 30 Pt 624 gsm.
BrandS Superfine Printing #ad
ManufacturerSuperfine Printing Inc. #ad
Height11 Inches
Length8.5 Inches
Weight1.5 Pounds
Width1 Inches
Part Number3024185
Model4336978320

4. Paper Mart

#ad

Paper Mart Double-Faced Corrugated Cardboard Sheets and Pads | 8 1/2" x 11" | Pack of 100

#ad
Paper Mart #ad - Double-faced sheets: plain, brown cardboard cutouts are placed under household items as an absorbent and padding, or protection to keep your packed items safe. Environment-friendly: made with ‘C’ flute, these pads are recyclable and printed using water and algae based inks. Paper mart offers amazing packaging for your everyday DIY projects, retail, food, and celebrations. Dimensions: the thick cardboard sheets are 11-inch wide and 8. 5 inches in length. Packing supplies: a one-stop shop for craft, special moments, party, and industrial packaging items.
BrandPaper Mart #ad
ManufacturerPaper Mart #ad
Part Number261811
Model261811

5. MagicWater Supply

#ad

And Crafts, 14 x 11 Inches for Packing, mailing, 10 Pack, Corrugated Cardboard Filler Insert Sheet Pads 1/8" Thick

#ad
MagicWater Supply #ad - Use for arts, crafts and other dyi projects such as photo backing and picture framing. This package comes with 10 Solid Kraft Brown Colored Cardboard Sheets. Also can be placed under household items as padding or an absorbant. Each sheet is 14x11 inches and 1/8 of an inch thick. Our sheets are acid Free and great for extra protection while Shipping items.
BrandMagicWater Supply #ad
ManufacturerMWS #ad
Height1 Inches
Length14 Inches
Width11 Inches
Part NumberCP14x11

6. Bubbley

#ad

Cardboard Inserts for Crafts, Mailing, 12 x 12 Inches, Kraft Brown, Packing, Corrugated Cardboard Sheets, 24-Pack Flat Cardboard Sheets

#ad
Bubbley #ad - Filler insert: use these sheets for protection against bending when putting in a mailer to protect important documents. Size: each cardboard measures 12 x 12 Inches.

Sturdy and durable:  each sheet is 1/8 inch thick, strong enough to use as a backing for different purposes. Corrugated cardboard sheet: this package comes with 24-Pack kraft brown cardboard sheets, perfect for home and crafts that require for protection in shipping, mailing, and solid backing. 
. Art and craft: perfect for diy projects at school and home, signs, use as a photo backing, picture frame, or place under household items as padding.
BrandBubbley #ad
ManufacturerBubbley #ad
Part NumberBYWACHG110401

7. MagicWater Supply

#ad

17 x 11 Inches for Packing, mailing, and Crafts, Corrugated Cardboard Filler Insert Sheet Pads 1/8" Thick, 25 Pack

#ad
MagicWater Supply #ad - Each sheet is 17x11 inches and 1/8 of an inch thick. This package comes with 25 Solid Kraft Brown Colored Cardboard Sheets. Our sheets are acid Free and great for extra protection while Shipping items. Also can be placed under household items as padding or an absorbant. Use for arts, crafts and other dyi projects such as photo backing and picture framing.
BrandMagicWater Supply #ad
ManufacturerMWS #ad
Height3 Inches
Length17 Inches
Width11 Inches
Part NumberCP17x11

8. Harper Grove Productions

#ad

100 pack, HGP 9" x 12", Corrugated Cardboard Sheets Shipping Cushioning Pads 1/8 Thick

#ad
Harper Grove Productions #ad - Quantity: 100 Dimensions: 9" x 12". Lightweight, single wall corrugated Cardboard Pad Sheets for Shipping Protection, Crafts, and more!.
BrandHarper Grove Productions #ad
ManufacturerHarper Grove Productions #ad
Part Number100 pad005-s1

9. KEILEOHO

#ad

KEILEOHO 30 Packs 12 x 12 Inch Corrugated Cardboard Sheets, Mailing and Crafts, 1/4” 5 Layer Extra Thick High Strength Double Face Flat Corrugated Cardboard Fillers Pads Inserts for Packing

#ad
KEILEOHO #ad - Each 5-layer sheet means two resisting interlayers which provides double crush resistance power during shipping. Crush resistance - worry that your items are still not safe within hundreds of protections of corrugated cardboard sheets? Now you are free. High strength - concerned about whether our sheet is hard enough to prevent paper from bent while you are mailing some super important files? Relax! The 5-layer structure of the sheet gives it more strength and it is extremely hard to make it bent.

Worry-free shopping - please do not hesitate to contact us if any issues with our Corrugated cardboard sheets, you can return the product and get a refund within 30 days from receiving. Various uses - just need one pack? don’t be silly! corrugated cardboard sheets can be used under a diversity of scenarios in daily life like providing extra protection while shipping items, serving as a backing board for pictures and photos, acting as materials for arts and crafts, playing as a temporary pads under items for absorbing or heat isolation and etc.

Even humidity can not easily get it surrender. Just remember that your satisfaction is our first priority. Now your files are in safe! Peace and love. Double safety, double relief. That would be so handy if you have it when you need it.
BrandKEILEOHO #ad
ManufacturerKEILEOHO #ad
Part NumberKEILEOHO

10. MagicWater Supply

#ad

25 Pack, mailing, Corrugated Cardboard Filler Insert Sheet Pads 1/8" Thick, and Crafts, 10 x 10 Inches for Packing

#ad
MagicWater Supply #ad - This package comes with 25 Solid Kraft Brown Colored Cardboard Sheets. Our sheets are acid Free and great for extra protection while Shipping items. Use for arts, crafts and other dyi projects such as photo backing and picture framing. Also can be placed under household items as padding or an absorbant. Each sheet is 10x10 inches and 1/8 of an inch thick.
BrandMagicWater Supply #ad
ManufacturerMWS #ad
Height3 Inches
Length10 Inches
Width10 Inches
Part NumberCP10x10