Command Large Picture-Hanging Strips, White, 12-Strip Heavy duty large interlocking fastener hanger strip sets kit 1 fastener set = 2 strips: 1 for frame, 1 for wall; Easy to apply, holds pictures & frames strongly; Damage-Free hanging - removes cleanly w/no residue; Without nails; No excessive hardware, tools, wire needed. Great for collages, artwork, craft projects, hanging dry erase boards, lightweight clocks and mirrors, office decor White, 3M quality, Great for collages; Made in the USA, Each strip 2.8"L x .75"W (12) Sets of 3M Large Command Hanging Strips , Model 17206-ES, White, New In Retail Packaging