20-PACK: 9 x 12-inch sheets of colored EVA foam in BLACK. PERFECT THICKNESS: 6mm (0.24") foam for your arts and crafts and Halloween or cosplay costume creations. COLOR: Even, bright saturated - Every sheet is consistently colored across the sheet's surface NON-ADHESIVE: No adhesive backing so you only need to add your choice of glue to areas where you want it. PLIABLE: Sheets are flexible for easy cutting and to accommodate craft projects that require sheets to be wrapped around or glued to a variety of shapes and surfaces. Better Office Products' 20-Pack of 9" x 12" BLACK foam sheets are made of extra sturdy EVA. The sheets are 6mm thick, just shy of 1/4"…perfect for your arts and crafts projects and Halloween or cosplay costume creations.