Quality Park® Double Window Envelopes display both sender and receiver addresses for mailing statements and invoices. Features a special Redi-Seal® self sealing closure. Simply lift the bottom flap and press to the top flap for an instant, secure s
- Double window envelopes display sender and receiver addresses for invoices and billing statements.
- The uniquely designed Redi-Seal® self sealing closure requires no moisture; envelopes have double flaps that press together for an