Columbian, Tyvek First Class Mail Envelopes, 10 x 13 Inches, White, 100 Count (CO806)
- Envelope designed for ultimate protection. Protect what's inside. Superior moisture, burst and tear resistant protection..
- Convenient and secure self-sealing Grip-Seal closure. Simply peel off release strip and press down for a quick, secure seal..
- First Class border ensures priority attention. Lightweight white Tyvek material. Open end closure..