Two window envelope with security tint. Guaranteed compatible with Quickbooks and Peachtree checks. Can also be used as a return envelope if return stub addresses fit the window positions. The ENV-937 is identical to the NEBS 9379 envelope.

 
3 5/8 x 8 5/8 #9 envelope. The top window is 7/8 x 3 1/2 and is positioned 5/8 from the left and 1/2 from the top