Ideal for hanging pictures without nail holes, interlocking fastener adheres firmly to flat surface. Removes cleanly without surface damage. No more nail holes, cracked plaster or sticky residue. Command™ 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. Medium strips hold most 45cm x 60cm frames. Damage-Free Hanging No Nails, No Screws, No Surface Damage Holds Strongly, Removes Cleanly Works on a variety of surfaces- tile, fiberglass, painted surfaces, finished wood, mirrors and more Holds up to 5kg Package Contents: 4 pairs of strips