6" x 9" clasp envelopes with deeply gummed flaps, great for storing or mailing documents. Whatever your home or office needs are, clasp envelopes can make staying organized easier. Great for projects, filing and mailing, double prong clasp and reinforced eyelets are durable for repeated use. Envelopes are made of 28 lb. brown kraft stock that is great for extensive handling, as well as mailing. Contents are protected during use to give you assurance that it arrives unharmed. Perfect for small documents that need to remain flat. Heavy gumming keeps envelopes securely and permanently sealed when needed.