Rugged, Kraft envelopes feature extra heavy-duty construction, reinforced clasp and deep gumming on the flaps for a secure seal. Metal clasp offers rounded edges, plated for rust-resistance. Design also includes an open-end style and large flap. Clasp envelopes are made of sturdy, 32 lb., brown Kraft stock. #110 (12″ x 15.5″) – 32lb – Clasp – Kraft – 100 / Box – Brown Kraft