WESTVA : Columbian® Duralok® Security-Tinted Open End Flat Envelopes
Tamper-resistant Grip-Seal® closure is easy to use -- simply peel and press. Features a security-lining to assure privacy of contents. Advanced multi-layer construction provides durability and resistance to water, moisture, bursts, tears and punctures. Premium white wove stock shell and inner reinforcement fiber layer add class to every document. Envelope Size: 9 x 12; Envelope/Mailer Type: Security/Confidential; Closure: Tamper-Resistant Grip-Seal®; Trade Size: N/A.