Product description
No. 9 envelopes with double windows are compatible with most standard 8-1/2" x 11" computer-generated invoices and statements. The 1-3/16" x 3-1/2" top window is positioned 3/8" from left and 2" from the bottom of the envelope. The bottom window (1" x 4") is 3/8" from the bottom. 24 lb.