3X Stronger than industrial strength Velcro, Scotch fastener strips hold up to 10 lbs. For indoor and outdoor use. Stays attached even when wet and dirty. Works on most painted, varnished or sealed surfaces like wood, metal, brick, or concrete. Also great on bare metal and many plastics. Not recommended for use on drywall. One in of product holds up to 2 lbs. Lasts up to 1,000 closures. 1" x 3", clear.