Office Depot 100% Recycled Lift Press(TM) Double-Window Envelopes, 10 (4 1/8in. x 9 1/2in.), White, Box of 500, 76133 Office Depot Brand 100% Recycled Lift & Press Premium Double-Window Envelopes, #10, 4 1/8in x 9 1/2in, White, Box Of 500