#12 Peel & Seal White Regular Mailing Envelopes | 24lb (4 3/4 X 11 inches) | 50 Per Pack Made from 24-lb. stock. Works great for home, office, interoffice, or mailing Gummed flap provides a secure seal Perfect Use for Laser, Ink Jet and Offset Application Peel away the protective strip to reveal the sealing adhesive 50 Peel & Seal Envelopes Per Pack