Command Replacement Strips make it easy to move and rehang your Command Products to reorganize or redecorate your home. For reuse with Command Medium indoor plastic and metallic hooks. For indoor use only. Provides damage-free hanging that holds strongly and removes cleanly. Holds strongly on a variety of surfaces including painted walls, metal, painted concrete, laminate & finished wood (painted or varnished: shiplap, cabinets, or doors), tile, glass and other smooth surfaces. Not recommended for mounting or hanging frames.