This set of 40 strips (20 pairs) of Command Damage Free Picture Hanging Strips is perfect for those who like to decorate and organize without damaging walls. It is a set of white poster strips suitable for hanging all sorts of pictures, artwork and posters. These strips have a superior holding power and can hold up to 3 pounds per pair of strips on average. The strips remove cleanly, without damaging paint or leaving any residue, and are easy to apply and remove. Wrapped in sets of 4. For heavier item use more strips.