16 STRIPS: 3M Command Poster White Small Damage Free Hanging 8 Pairs. large 3.65 inch * .73 inch About this item Strips MAXIMUM FRAME SIZE 24 X 36 INCHES: One package includes 6 pairs (12 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 no damage 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 Hangers to allow paint to cure; do not hang over beds or on wallpaper; do not use the wall hanging strips to hang valuable items