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)