MasterPieces Puzzle Glue sheets are an easy way to preserve your hard work. Includes 12 permanent adhesive sheets (each 6.75" x 6.75") enough to glue a 1000PC regular puzzle, a 1000PC panoramic puzzle, a 750pc puzzle, a 300 EZGrip, a 550, or a750 Piece Puzzle . There are also 2 plastic hangers to hang your piece once it is complete. Glue sheets are quick, clear, and clean just peel and stick! Coat both sizes of puzzle for added strength.