Quality Park Health Form Redi Seal Security Envelope #10 1/2 4 1/2 x 9 1/2 White 500/Box 21438

Mail medical forms and documents with these Quality Park Redi-Seal white self-sealing insurance HFCA-1500 security tinted window envelopes.Keep private medical and personal information secure in the mail with these self-sealing window envelopes. The security tinting hides text from view, while the built-in windows keep addresses visible for mailing. Each envelope features a double-flap gum closure that requires no moisture to secure in place. These Quality Park Redi-Seal envelopes are perfectly sized to hold medical claim forms and other related documents.• Envelopes are great for mailing letters and documents.• Made from 24 lbs. white paper for durability.• These envelopes measure 4 1/2" x 9 1/2" in size, providing enough space for your mail.• Redi-Seal closure with commercial flap seals securely without moistening.• Security tinted pattern helps to discourage reading sensitive information through the outside of the envelope.• Convenient box of 500 envelopes ensures ample supply.• Simply position the address to show through the single-right window.• Window measures 4.5" x 1"; 4.25" from the left edge and 1.56" from the bottom.• The flap is on the long side for easier filling.• Made in the USA.• Sold as 500/Box.