400 Packs 3.5x4.5 inch Corrugated Cardboard Sheets, Premium White Corrugated Cardboard Inserts Bulk Flat for Sports Card Protectors, Trading Card

Compared to chipboard, the cardboard inserts are pretty lightweight so they don't make your package too heavy.

Hobby Armor Trading Card Shipping Protectors 3.5 x 4.5 - Half

96 Packs Cardboard Sleeves for Sports Card Protectors

200 Packs 3.5x4.5 Inch Corrugated Cardboard Sheets, Premium

100 Pack Corrugated Cardboard Sheets 5 x 7 Inch, India

200 Packs 3.5x4.5 Inch Corrugated Cardboard Sheets

75 Pack Corrugated Cardboard Sleeves for Sports Cards, Trading

Holomarks 500 pcs Silver Security Seal 0.59 x 0.59 Inch, Void Hologram Stickers, Warranty Tamper evident Holographic Labels : Office Products

Hobby Armor Trading Card Shipping Protectors 3.5 x 4.5 - Half

The corrugated cardboard sheets can be inserted into a mailer to protect against essential documents getting bent and damaged in the mail. The cardboard rectangles can also be used as a backing for craft projects or make your photo frames! You can also use them to make signs with markers or paint. Our brown cardboard dividers for boxes with side funneling each measure 6 x 9 inches and are 2-millimeter thick.

Juvale 200 Pack 5x7 Corrugated Cardboard Sheets for Mailers, Flat Packaging Inserts for Shipping, Mailing, Crafts, 2mm Thick

Flat Cardboard Sheets and Cardboard Pads

Compared to chipboard, they are pretty lightweight so they don't make your package too heavy. YOUR TIME SAVER As a timesaver, you will be love with these cardboard sheet since it just takes you a few seconds to package your cards for sending out.

Cardboard Sheets, Premium Brown Kraft Corrugated Cardboard Divider Inserts Bulk Flat for Shipping, Mailing, DIY Décor and Crafts (3.5x4.5 inch, 200