Healthcare 4-1/8in X 8-7/8in Medical Billing Statement Envelopes, Left Side Double-Window, Gum Seal, White, Pack of 500

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. Envelope flap is gum seal and needs to be moistened. Envelope Measures 4-1/8in x 8-7/8in. Inside security tint help keep sensative information private.