Send business mail with these convenient double-window envelopes 2 transparent polypropylene windows allow return and mailing addresses of the interior contents to be displayed. No. 9 envelopes work with standard, letter-size, computer-generated invoices and statements. Inside security tint helps keep contents private. Gum closure for a secure seal. Features strong, 24 lb paper. White wove construction for durability. Quality Park(R) Double-Window Envelopes, 3 5/8in. x 8 5/8in., White, Box Of 500 is one of many Business Envelopes available through Office Depot. Made by Quality Park.
Double window allows the mailing and return address to show through. Wove finish adds a professional touch. Blue security tint adds an extra layer of privacy.