Affordable, high-quality mailer is ideal for high-volume mailrooms. Each mailer holds three 3.5″ diskettes or one CD with case. Convenient self-adhesive closure and Redi-Strip™ easy-open, tear-strip flap. This product was made using wood sourced from a certified managed forest. Envelope/Mailer Type: Cushioned/Media; Envelope Size: 7 1/2 x 6 1/16; Closure: Self-Adhesive; Flap Type: Square.