Say goodbye to holes and sticky residue on your walls. Command Picture Hanging Strips are easy to use and help you decorate your walls without leaving any marks. Command Picture Hanging Strips are self adhesive and easy to apply. Hang picture frames, wall art, small mirrors, wall clocks, signs, dry erase boards, and other home decor without nails, screws and tools. 2 pairs of large strips can hold one frame weighing up to 3.5 kg, and measuring up to 45 cm by 60 cm. 4 pairs of large strips can hold one frame weighing up to 7 kg, and measuring up to 60 cm by 90 cm. Holds strongly on a variety of indoor surfaces including painted walls, finished wood, painted concrete cinder blocks, laminate, glass, metal and tiles.