Saves one finished 1000-piece puzzle or up to two smaller puzzles - Quick, easy, and mess-free! - Packaged in an envelope measuring 8-1/4" square (21 cm square) - 6 adhesive sheets and 2 sticky mounts for wall hanging. Each sheet measures 15" x 7.5" (38 cm x 19 cm) - For puzzles measuring up to 28" x 20" (71 cm x 51 cm)