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

CORRUGATED CONSTRUCTION - These 12x12 inches cardboard sheets feature a corrugated structure for enhanced crush resistance. Covered with two layers of

ZEONHEI 60 Pack 12 x 12 x 1/8 Inch Corrugated Cardboard Sheets, 3mm Thick Cardboard Squares, Flat Packaging Inserts for Shipping, Mailing, DIY and

50-Pack Large Corrugated Cardboard Sheets for Mailers

Worown 20 Pack A4 (210 x 297 mm) Cardboard Sheets, 3mm Thickness

This 50-pack of corrugated cardboard sheets is perfect for a wide array of DIY projects, arts and crafts creations at home or in the classroom. Each

Juvale 50 Pack Corrugated Cardboard Sheets for Crafts, Shipping Essentials, Mailer Supplies, 2mm Thickness, 11 x 14 In

Extremely stable kraft paper

Juvale 50-pack Corrugated Cardboard Sheets 9x12, Flat Inserts For

Corrugated Cardboard Sheets 4mm - 3/16 Thick 12x16

50-Pack of Corrugated Cardboard Sheets 9x12, Flat Card

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

20 A4 Corrugated Cardboard Sheets Perfect For Shipping - Temu