Brand new box of Columbian No. 9 Double Window, Gummed Seal, Security Tint, 24lb White Woven Envelopes. Size is 3-7/8 x 8-7/8 in (9.8 x 22.5 cm) I purchased thinking I could use with business, but did not have use. Purchased years ago but tucked away and just rediscovered.