Scotch Mounting Tabs are pre-cut foam with double-sided, removable adhesive. Mount posters, photos, kids' artwork and other lightweight items. Use on wood, tile, painted walls, glass, and most other wall surfaces that are clean, dry and smooth. Adheres to painted cinder block, varnished wood, blackboards and glass. Hold securely, remove easily. Each tab measures 0.5" x 0.75". Each pack includes 480 tabs. Weight Capacity: 6 tabs hold up to 0.25 pound.