Reveal N Seal Double Window Invoice Envelope, Self Adhesive, White, 500/Box

Strong, tamper-evident seal safeguards confidential documents. Small perforations along the flaps provide evidence of tampering. Security tinted with a shelf-life six times longer than standard latex adhesive envelopes. Envelope Size: 3 7/8 x 8 7/8; Envelope/Mailer Type: Tax and Business Form; Closure: Self-Adhesive; Trade Size: #9.