Quality Park #10 Security Envelopes have a strong peel & stick closure that seals fast without applying moisture. Our heavy opaque envelope stock is printed with a security tint that makes envelopes difficult to see through. A complex security pattern scrambles the appearance of numbers and text. Plus, Reid-Strip envelopes have a long shelf-life thanks to the paper strip that protects your adhesive from dust. Bright 24-lb. white wove paper is perfect for use at home or at work.brabra4-1/8 x 9-1/2 inches. Reid-Strip Envelope Closure. 24-lb White Wove. 100 Per Box.brabraStrong, Fast and Efficient: Reid-Strip envelopes save time and increase efficiency with a removable strip and strong adhesive seal that ends the hassle of everyday mail duty. To close them, simply peel and press.brabraProtected & Secure: Guard sensitive data with a security tint makes envelopes difficult to see through. A complex security pattern scrambles the appearance of numbers and text. These extra security features are essential for sending checks or personally identifiable information (PII) through the mail.brabraEliminate the Yuck Factor: We promise you won't miss licking envelopes or those drippy moistener sponges in a cup! Reid-Strip envelopes bring mailing into the modern era with a tidier, more hygienic and still very affordable alternative to standard envelopes. barreling Lasting in Storage: The peel able paper strip is not only convenient, it protects your adhesive from dust so envelopes last longer.brabraBright White Elegance: 24-lb. white wove paper gives your everyday mailings a professional finish. Ideal for business or personal correspondence.brabraStock Up for Busy Season: Keep several boxes of this necessity on hand.