Quality Park Healthcare Claim Form Envelopes have a self-sealing flap to speed up your bulk mailing process. The unique REDI-SEAL envelope double-flap design keeps adhesives from sticking prematurely—just raise the bottom flap & press to seal. A single right window displays the name and address from a folded CMS-1500 claim form. A security pattern lines the interior to keep sensitive HIPAA-protected contents secure. Envelopes are compatible with any standard laser or inkjet printer.Single-Window Claim Form Envelope. White Wove. 4-1/2 x 9-1/2 inches. 500 Per Box.Mail Faster & Cheaper: Quality Park Healthcare Claim Form Envelopes have self-sealing flaps that save you time and money on mailings.No Waiting, No Wastage: Our ingenious REDI-SEAL envelopes don't require moisture, seal instantly, and keep adhesives from sticking prematurely—just raise the bottom flap in place, press & seal; you'll never find ruined pre-sealed envelopes in the box.Good Fit, Great Value: Standard envelopes fit individual CMS-1500 forms for fast, efficient processing that prevents delays. A single window displays the name and address from a tri-fold CMS-1500 without revealing private information; the snug fit won't allow forms to shift out of position during transit.Protected & Secure: A security tint makes envelopes difficult to see through; a complex security pattern scrambles the appearance of text as an added measure of protection for HIPAA protected data.Eliminate the Yuck Factor: We promise you won't miss licking envelopes or those drippy moistener sponges in a cup! REDI-SEAL envelopes bring mailing into the modern era with a tidier, more hygienic alternative to standard envelopes.Stock-Up Quantities: Boxes with 500 envelopes ensure you're never in short supply.