3-7/8" x 8-7/8" ( 3.875" x 8.875" ), Regular Envelope, No Window, President, White Sulphite Paper, SFI Certified, Vellum Finish, Side Seam, Flap Down, Remoistening Seal, Packaged in Unlabeled Soft Boxes, 500 Qty / Box, 2500 Qty / Ctn, 6 lbs. per Box