Command™ Medium Black Picture Hanging Strips are our innovative solution for hanging framed photos and artwork securely and damage free. They hold strongly and remove cleanly using 3M stretch-release technology. 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. Strips lock and relock so frame can be removed and repositioned. Holding Power: 4 sets of strips contained in this pack can hold one frame weighing up to 5.4 kg, and measuring up to 45cm by 60cm Pack contents: 4 sets of medium strips Size: Medium Colour: Black Strip type: Interlocking Picture Hanging Strips See usage instructions: Wait 7 days after painting before use. After attaching to wall wait 1 hour