LUX 3 1/2" x 6", #6-1/4, 24lbs. Remittance, Donation Envelopes, Bright White, 50/Pack

A special kind of reply envelope used in fundraising, money collection, charity donations, it has an inner pocket to hold cash or a check, and if printed, the envelope itself it can double as an order form. There's also a two-way version -- with a removable perforated piece the recipient inserts before mailing. 3 sizes available in white and colors, printed or plain.