4-3/4" x 6-1/2" ( 4.75" x 6.5" ), Baronial Envelope, No Window, Ultra-White, Bright White Sulphite Paper (96% Brightness), SFI Certified, Vellum Imaging Finish, Diagonal Seam, Flap Down, Remoistening Seal, 500 Qty / Box, 5000 Qty / Ctn, 5.5 lbs. per Box