11-1/2″x 14-1/2″ (11.5″x 14.5″), Open End Catalog Envelope, No Window, Gray Kraft, Gray Kraft Paper, Paper Color: Gray, SFI Certified, Vellum Finish, Center Seam, Flap Extended, Pres-Stik, 250 Qty / Box, 500 Qty / Ctn, 16.25 lbs.