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. Eye contact may cause irritation. Flush immediately with water for 15 minutes. Consult a physician if irritation persists. Not suitable for children under 13.