Product Details: 3M Command Picture Hanging Strips Hooks Medium & Large Refill 30PCS Features: Damage-free decoration: Say goodbye to holes, marks or sticky residues on the wall; 3M ordered picture hanging strips, which are easy to use and help keep the wall beautiful No tools needed: hanging picture frames, wall art, mirrors, wall clocks, signs, dry erase boards, holiday decorations, soundproof foam boards and other home decorations, no nails or hammers required Robust and versatile: the command bar can be firmly fixed on various indoor surfaces, including painted walls, finished wood (painted or painted wood, cabinets or doors), painted concrete trash cans, laminates, glass, Tile, metal and other smooth surfaces. Clean removal: Redesign when inspired; these picture hooks will not leave sticky adhesives; very suitable for your dormitory, apartment, home and office Specifications: Material: sponge Size: M/L Color: As the picture shows Thicknessi1/4? mm Package Included: 30 x Pcs Picture Hanging Strips Notes: The colors may be a little different for the different monitor display. Please allow minor deviation due to manual measurement