6 pk Foam 20″ X 20″ – 20mm thick High-Density 40mm-1 37/64 / Peel & Stick Back
Each Piece is 20” x 20” and 40mm Thick High Density Foam. Peel and Stick Adhesive Backing (Not Repositionable). High-density foam for interior support & casing. If your item. The surface has a small diamond pattern.