3-5/8" x 6-1/2", Digi-Clear Window Envelopes, A Style Window, 1-1/8" x 4-3/4", 3/4 left, 7/16 bottom, White Sulphite (SFI Certified), 92% Brightness, Vellum Finish, Blue FDIC Inside Tint, Diagonal Seams, Digi-Clear Window, Remoistening Seal, Flap down, Laser Compatible