Healthcare #9 Double-Window Medical Billing Statement Envelopes, Left Windows (Top/Bottom), Self-Seal, White, Pack Of 2,500 Envelopes

Mail billing statements to your patients with the Healthcare Double-Window Medical Billing Statement Envelopes. The #9 envelopes feature 2 windows to allow important information to show through. Designed for use with laser healthcare billing invoices (sold separately). Double-window design displays important information. Window measures 1-1/16in x 4-1/8in. Gum seal flap for easy closure.