No. 9 Double-Window Envelopes

Suitable for use with most automated check and invoice systems.Top window (1-3/16"x3-1/2") is positioned 3/8" from the left and 2" from bottom of the envelope. Bottom window (1"x4") is 3/8" from the left and 1/2" from the bottom of the envelope. Compatible with most standard 8-1/2"x11" computer generated invoices and statements.