Description: Based on the same materials and security features as our security bags, the Alert Security Mailer offers important advantages over the traditional mailing envelope, including: High impact graphics Tamper evident VOID security seal closure Waterproof materials to protect Its contents Light weight and puncture resistant When sending your materials or communicating sensitive information to your clients, partners or other colleagues, package design and aesthetic help to entice the recipient to open it immediately or make sure it is filed properly. In a world of information overload, only the high impact package gets high priority attention. Features: Beyond the design and graphic appeal, your Alert Security Mailer can be custom built with any of the security features of the Alert Security Bag, such as: Standard or Maximum Security “void” tape closures, providing state of the art tamper evidence. Dual consecutive serial numbers and receipt tabs for identification by the sender and receiver. The unique alert continuous security roll format offers complete tracking of successive deposits and a very convenient method for storing and dispensing the bags. Specifications: Size: 9 in. x 12 in. Color: Clear Style: Case of 250 bags Material: Heavy gauge, multi-layer polyethylene Part Number: 912MB-250