Foamology 12-Piece Design Foam Tile, 12 by 12 by 1-Inch Design Foam with sticky base, Value Pack of 12 Soft Tiles, 1" thickness: 12" x 12" Neutral Pale Gray color does not interfere with any fabric that is placed over it Use for Home decor (wall art), stage sets, scales, models, doll houses Lightweight, fun DIY decorating concept with versatile peel-and-stick adhesive