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, cracked plaster or sticky residue. Command picture hanging strips come in three sizes: Small strips hold most 8" x 10" frames, medium strips hold most 18" x 24" frames and large strips hold most 24" x 36" frames. Also available are Command frame stabilizer strips which keep picture frames level even if hung by nails. Contains 4 sets of small strips, 8 sets of medium strips. Ideal for hanging pictures without nail holes, interlocking fastener adheres firmly to flat surface. Contents: 4sets of Large strips (4sets hold 7.2kg) 4sets of Medium strips (4sets hold 5.4kg) 8sets of Small strips (4sets hold 1.8kg)