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.