Decorate how you want， when you want without damaging your walls. Command Picture Hanging Strips let you fearlessly hang heavy pictures without nails or tools. Not just for picture frames， these wall hangers are also great for creating a gallery wall， hanging college dorm decor， mirrors， nursery dcor， acoustic foam boards， and more. These picture frame hangers click together to lock in place and keep your pictures level. When you're ready to redecorate your space， the Command Strips remove cleanly and damage free. Includes: 4 Pairs of X-Large， White Command Heavyweight Picture Hanging Strips (8 Strips total); 4 XL strips holds 20 lbs. Max frame size 24 In. x 36 In.