Cardboard Sheets，13 Pack 8.5x11 Corrugated Cardboard Sheets,Cardboard Inserts Flat for DIY Crafts,Packing, Shipping, Mailing(Brown)

Product Description

[High-Quality Heavy-Duty Material] The corrugated cardboard sheets are carefully selected with a three-layer high-strength corrugated structure, featuring an overall thickness of 1.5mm. The surface of the cardboard is smooth and flat, with a scientific thickness ratio. It combines a solid texture with strong toughness, providing reliable support throughout the entire process of packaging, transportation and storage, and fully demonstrating excellent strength and durability. [Elegant and Durable] The cardboard sheets feature exquisite craftsmanship. Its surface is smooth, flat, and has clear textures without roughness, which can gently protect packaged items from scratches, making it practic…