VARIETY PACK OF PICTURE STRIPS: One package of the Command Picture Hanging Strips Variety Pack includes eight small pairs (16 strips total), 16 medium pairs (32 strips total) and eight large pairs (16 strips total) 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 and tiles so you can create a festive winter wonderland in your space 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 EASY CLEAN REMOVAL: Lightly hold the top of the removable adhesive strips and slowly pull straight down towards the floor to remove Christmas decorations and prevent damage of walls and surfaces DAMAGE FREE HANGING: Damage free hanging 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 during the holidays without tools, Weight: 0.11 Pounds, Manufacturer: 3M