No. 8-5/8 double-window envelopes with full-size, gummed flaps are designed for most standard 3-1/2" x 8-1/2" checks for payroll and accounts payable applications. The 7/8" x 3-1/2" top window is positioned 5/8" from the left and 2-1/4" from the bottom. The 1" x 4" bottom window is positioned 5/8" from the left and 5/8" from the bottom. Poly windows and inside tint provide security. Envelopes are made of 24 lb., white wove stock.