6" x 8", eKEY Multimedia Mailer Envelope, No Window, Western Sulphite, White Sulphite Paper, SFI Certified, Vellum Finish, Side Seam, Flap Down, Remoistening Seal, Outer Envelope - White Sulphite (SFI), CD / DVD Insert - White Sulphite (SFI), Ungummed Flaps, 2-1/4" (2.25") Extension, Insert: 5-3/4" x 7-3/4" , 500 Qty / Box, 500 Qty / Ctn, 12 lbs. per Box