Strong Self-Seal Adhesive – High-strength adhesive strip ensures a secure, permanent seal. Simply peel and press to close quickly and easily. Size: 6″ x 9″, 7.5″ x 10″, 9″ x 12″, 10″ x 13″, 12″ x 15.5″, 14.5″ x 19″, 19″ x 14″, 19″ x 24″.