INCLUDES: 6 small picture hanging strips, 4 large picture hanging strips, 3 medium utility hooks, 2 large utility hooks, 3 small utility hooks, 6 small wire hooks, 20 strips | DAMAGE FREE HANGING: Each utility hook, wall hook and picture hanging strip works 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 | WORKS ON A VARIETY OF SMOOTH SURFACES: Each Command Hook and Command Strip bonds to painted walls, finished wood, painted concrete cinder blocks, laminate, glass, metal and tiles | SURFACE PREP: Clean 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 hooks or wall hanging strips to allow paint to cure; do not hang over beds or on wallpaper; do not use the wall hangers for hanging 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 no damage wall hangers and prevent damage of walls and surfaces; reuse your hook and hardware again with refill strips