Command Medium Picture Hanging Strips make decorating quick and easy. One click tells you Picture Hanging Strips are locked in and holding tight. Best of all, when you are ready to take down or move your pictures, they come off cleanly - no nail holes, cracked plaster or sticky residue. Hanging strips hold strongly and remove cleanly. They work on a variety of surfaces. Each set holds up to 3 lb. Contract box holds 52 pairs of strips to keep you supplied in this damage-free hanging tool.