Command PH217BLK-10NA 20lb Extra Large Thick Photo Hanging Strips, Non-Scratch Hanging Picture Hanger, Heavy Duty Wall Hanging Strips for Living Space, 20 Pairs Black Adhesive Strips

WORKS ON VARIOUS SMOOTH SURFACES: The extra large wall strip can be mounted on a variety of smooth surfaces, including painted walls, painted cinder blocks, concrete surfaces, and so on to hang without scratching SURFACE PREPARE: Clean the desired surface with rubbing alcohol, remove dirt and dust, and attach the undamaged wall hangers to the surface. Indoor temperature must be between 25 and 100 degrees Fahrenheit Tips for use: wait 7 days after painting and use Command Picture Hangers to cure the paint. Do not hang on bed or wallpaper. Do not use wall strips to hang valuable items Easy to clean: lightly hold the removable adhesive tape top and slowly pull it down straight towards the floor to prevent damage to walls and surfaces Strong, Damage-Free Hanging Strip: 40% stronger adhesion than Command Large Photo Hanging Strips, our strongest hold You can hang large wall art, large mirror, wall clock, sturdy picture frames, etc