2-7/8" x 5-1/4" ( 2.875" x 5.25" ), Open End Coin Envelope, No Window, Western Sulphite, White Kraft Paper, SFI Certified, Vellum Finish, Center Seam, Flap Down, Remoistening Seal, 500 Qty / Box, 5000 Qty / Ctn, 3 lbs. per Box