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 décor, 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. NO TOOLS REQUIRED- Hang heavy duty picture frames, large wall art, big mirrors, wall clocks, signs, dry erase boards, holiday decorations, acoustic foam boards, and other home decor where you want without nails or a hammer. INCLUDES - 16 Pairs of X-Large, Black Command Heavyweight Picture Hanging Strips (32 Strips total); 4 XL strips holds 20 lbs. Max frame size 24 in. x 36 in. Our STRONGEST HOLD with 40% more adhesive holding power compared to Command Large Picture Hanging Strips. REMOVES CLEANLY- Redecorate when inspiration strikes. These strong picture hangers leave no sticky adhesive behind. Perfect for your dorm, apartment, home, and office. STRONG AND VERSATILE-Command Strips hold strongly on a variety of indoor surfaces including painted walls, painted cinderblock and concrete surfaces. DAMAGE-FREE DECORATING- Say goodbye to holes, marks, or sticky residue on your walls; Command Heavyweight Picture Hanging Strips by 3M are easy to use and help keep your walls looking beautiful