Maximum frame size 24x36 inches: One package includes 12 pairs (24 strips total) of the Command Large Picture Hanging Strips; four wall adhesive strip pairs hold 16 pounds; maximum frame of 24 x 36 inches

Works on a variety of smooth surfaces: Wall hanging strips work on a variety of smooth surfaces, including painted walls, finished wood, painted concrete cinder blocks, laminate, glass, metal and tiles

Surface Prep: Clean the desired surface with rubbing alcohol to remove grime and dust to allow the wall hangers to bond to the surface; the indoor temperature must be between 50 degrees Fahrenheit and 105 degrees Fahrenheit

Usage tips: Wait seven days after painting before using the Command Picture Hanger Strips to allow paint to cure; do not hang over beds or on wallpaper; do not use the wall hanging strips to hang valuable items

Easy clean removal: Lightly hold the top of the wall adhesive strips and slowly pull straight down towards the floor to remove the 3M Hooks and prevent damage of walls and surfaces

Damage free hanging: Wall hanger strips work without leaving holes, marks or sticky residue on a variety of surfaces and remove cleanly when you want to redecorate or reorganize your space without tools

What to hang: Use these wall hanging strips to hang picture frames, college dorm decor, wooden letters, nursery decor, calendars or even to create a gallery wall