MAXIMUM FRAME SIZE 8 X 10 INCHES: One package includes 18 pairs (36 strips total) of the Command Small Picture Hanging Strips; four wall adhesive strip pairs hold 4 pounds; maximum frame of 8 x 10 inchesWORKS 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 in your dorm room or rentalSURFACE 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 FahrenheitUSAGE 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 itemsEASY CLEAN REMOVAL: Lightly hold the top of the removable adhesive strips and slowly pull straight down towards the floor to remove college dorm decor and prevent damage of walls and surfacesGENUINE QUALITY - Whether your Command Picture Hanging Strips come with a green printed or transparent liner, rest assured they are authentic Command products, offering the same reliable performance for all your picture hanging needsDAMAGE 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 without toolsUSAGE 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 itemsEASY CLEAN REMOVAL: Lightly hold the top of the wall adhesive strips and slowly pull straight down towards the floor to remove college dorm decor and prevent damage of walls and surfaces