Command™ Small and Medium Picture Hanging Strips. * Damage-free hanging, holds strongly and removes cleanly* Easy to apply, no need for nails, screws or drills* Strips stretch off cleanly without leaving holes, marks or sticky residue* Suitable for most smooth surfaces including painted walls, tiles, metal and wood* Keep frames flat and secure to the wall, discreet strips are hidden behind the picture frame Holding Power: 4 sets of small strips can hold one frame weighing up to 1.8kg and measuring up to 20 x 25cm. 4 pairs of medium strips can hold one frame weighing up to 5.4kg and measuring up to 45 x 60cm. Pack Contents: 4 sets of small strips, 8 sets of medium strips