Command Black Medium Picture Hanging Strips let you decorate how you want, when you want, without damaging your walls and surfaces. A great home improvement item, these picture hangers stick on a variety of smooth surfaces without leaving holes, marks or sticky residue. Use these wall hanging strips to hang picture frames, college dorm décor, wooden letters, nursery décor, calendars or even to create a gallery wall. Simply mount these no tools picture strips on painted walls, finished wood, painted concrete cinder blocks, laminate, glass, metal and tiles and enjoy the damage free hanging of your decorations.Details: Black Holds 12 lb. (5.4 kg) Maximum frame size: 18" x 24" (45.7cm x 60.9cm) 12 packs (12 pairs per pack, 144 total pairs) Works on a variety of smooth surfaces Easy clean removal Damage free hanging