5" x 11-1/2" (5" x 11.5" ), Open End Policy Envelope, No Window, Velpine, White Kraft Paper, SFI Certified, Vellum Finish, Center Seam, Flap Down, Remoistening Seal, 500 Qty / Box, 2500 Qty / Ctn, 11.5 lbs. per Box