12pcs A4 Corrugated Cardboard Sheets, 2mm Thick Sheets 30 x 21 0.2cm Brown Flat for Painting, Modeling, Arts, Craft, DIY, Packaging, Shipping&Mailing

12-Sheet Pack: This pack of cardboard sheets contains 12 flat brown sheets. The multi-pack covers several craft projects or a batch of packaging without buying sheets one at a time A4 Size: Each a4 corrugated cardboard sheet measures 30 × 21 × 0.2 cm. The A4 proportion fits alongside printers, sketchbooks and standard letter-size projects, and the flat sheets stack neatly on a shelf 2 mm Corrugated Build: These corrugated cardboard sheets are 2 mm thick. The fluted inner layer gives stiffness without heavy weight, so sheets hold their shape for painting, modeling and 3D craft bases Large Working Surface: The large cardboard sheets offer a flat brown surface for drawing, collage, model making and display boards. Cut the sheet with a craft knife to smaller panels for dioramas, school projects and handmade gifts Craft and Packaging Use: These cardboard sheets work for painting bases, model floors, shipping dividers and mailing stiffeners. Slide one inside a mailing envelope to keep paper prints flat, or use it as a backboard for artwork and frames