Quality Park™ Tamper-Proof Advantage Tyvek Security Envelopes Features a Tamper Indicating Panel (TIP) incorporated into the flap—the word “OPENED” appears in red to signal tampering. Durable Tyvek® envelope resists punctures, tears and moisture. Lightweight envelope saves on postage. Flap-Stik® self-sealing closure is simple to use. Envelope Size: 10 x 13; Envelope/Mailer Type: Security/Confidential; Closure: Self-Seal Flap-Stik®; Trade Size: NA.

Product Specifications  Manufacturer #: QUA-R2420 Product Details Quality Park™ Tamper-Proof Advantage Tyvek Security Envelopes,10x13,White,100/Bx Closure: Self-Seal Flap-Stik® Color(s): White Custom Imprint Included: No Envelope Size: 10 x 13 Envelope/Mailer Type: Security/Confidential Expansion: No Exterior Material(s): Tyvek® Quantity [Nom]: 100 per box Security Tinted: No Weight [Nom]: 14 lb UPC: 50047614124208 Keywords: 10 x 13, Advantage Tyvek, Confidential, Envelope, Envelopes, Mailer, QUALITY PARK, Security, SURVIVOR, Survivor Envelopes & Mailers, Tamper Indicating Panel, Tamper-Proof , Tyvek, Tyvek Envelope, Tyvek Envelopes & Mailers, White