Double Window Envelopes with Security Tint for Invoices and Checks Contemporary seam construction. 500 envelopes per box. For Invoices With top window (1-3/16 x 3-1/2) 2" from bottom and bottom window (1 x 4) 1/2" from bottom, 3/8" from left. #9 Trade Size 3-7/8 x 8-7/8 WEIGHT: 7 lbs. SOLD AS: Box STOCK NUMBER: 24524
