Compared to chipboard, the cardboard inserts are pretty lightweight so they don't make your package too heavy.
200 Pieces Trading Card Shipping Protectors 4.5 x 3.5
Holomarks 500 pcs Silver Security Seal 0.59 x 0.59 Inch, Void Hologram Stickers, Warranty Tamper evident Holographic Labels : Office Products
Flat Cardboard Sheets and Cardboard Pads
Corrugated Cardboard Sheets and Pads
Much lighter than plastic! Hobby Armor trading card envelopes are made from strong thin corrugated cardboard, with an extra glossy layer for strength and a professional look. Much more than just cardboard! Premium card packaging for card collectors. Round Corners! Protectors with sharp corners tend to rip into card bubble mailers and are difficult to load, wasting supplies and time. Our cardboard shields for trading cards have Rounded Corners and are super easy to load into bubble envelopes.
Hobby Armor Trading Card Shipping Protectors 3.5 inch x 4.5 inch - Corrugated Cardboard Inserts for Protecting Sports Cards During Shipment - Precut
Card Protectors Trading Cards Shipping Supplies, 510
200 Packs 3.5x4.5 Inch Corrugated Cardboard Sheets
Corrugated Cardboard Sheets - 6x9 Inches - Pack of UK
Compared to chipboard, the cardboard inserts are pretty lightweight so they don't make your package too heavy.
200 Packs 3.5x4.5 inch Corrugated Cardboard Sheets, Premium Corrugated Pads Cardboard Inserts Bulk Flat for T-Shirts, Shipping, Mailing, Cardboard
96 Packs Cardboard Sleeves for Sports Card
200 Pack 5x7 Corrugated Cardboard Sheets for Mailers
★RIGID AND LIGHTWEIGHT★ These cardboard sheets are actually sturdy and rigid which are PERFECT for shipping cards, postcards, art prints and other
400 Packs 3.5x4.5 Inch Corrugated Cardboard Sheets, Premium White Corrugated Cardboard Inserts Bulk Flat for Sports Card Protectors, Trading Card
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
100 Pcs Corrugated Cardboard Sheets Set Corrugated
3000 3x4. cardboard Shipping protectors for Trading Cards MADE USA