10" x 13" x 1-1/2" (10" x 13" x 1.5" ), Open End First Class Expansion Tyvek Catalog Envelope, No Window, Tyvek, Tyvek Paper, Paper
Color: Bright White, Smooth Finish, Center Seam, Flap Down, Kwik-Tak, Printed Green 1st Class Border, 100 Qty / Box, 100 Qty / Ctn, 4.9 lbs. per Box