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
| Attribute name | Attribute value |
|---|---|
| color & material | |
| True Color The primary color of the product | White |
| Envelope Material | Rectangular |
| Envelope Closure Primary paper finish of the envelope | Wove |
| Security Tint | Window |
| weight & size | |
| Paper Weight in Pounds | 4 1/2″ x 9 1/2″ |
| Height in Inches | 500 Per Pack |
| Pack Qty Describes the location and number of windows built into the envelope. Windows are typically used to show an address that is printed on the contents of the document. | Single-Right |

















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