Commercial Envelopes:

Standard sizes in stock. Commonly used for business stationery envelopes, direct mail envelopes, business reply envelopes, WEB (high-volume) commodity envelopes, recycled and recyclable envelopes, laser compatible envelopes, bulk rate envelopes, inside safety tint for security envelopes, accounts payable envelopes, invoice envelopes, machine insertable envelopes (Neopost, Bell & Howell, Pitney Bowes, and others), etc.