About this item HANGS UP TO 16 POSTERS: One package includes 64 Command Poster Strips that can hang up to 16 posters or signs DAMAGE FREE HANGING: Removable adhesive strips remove cleanly without leaving holes, marks or sticky residue on a variety of surfaces so you can hang your favorite photographs, kid’s artwork, banners and signs damage free WORKS ON A VARIETY OF SMOOTH SURFACES: Poster wall hangers work on a variety of smooth surfaces, including 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 hanger strips 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 a hanging strip to allow paint to cure; do not use the 3M Poster Strips for hanging valuable items EASY CLEAN REMOVAL: Lightly hold the top of the wall adhesive strip and slowly pull straight down towards the floor to remove the wall hanging strips and prevent damage of walls and surfaces Material: Foam, Plastic/Foam › See more product details