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 small strips can hold one frame weighing up to 1 kg, and measuring up to 13 cm by 18 cm. 4 pairs of small strips can hold one frame weighing up to 2 kg, and measuring up to 20 cm by 25 cm. Hold strongly on a variety of indoor surfaces including painted walls, finished wood, painted concrete cinder blocks, laminate, glass, metal and tiles.