Security seals are designed to protect your property and merchandise, providing wide range of application from sealing document trays and safe deposit boxes to securing medical cabinets and roll cages to help counter tampering, smuggling and espionage. Once a security seal is opened, it would depict obvious evidence of tampering. Moulded in high grade polypropylene. The strap end is simply inserted toward the head and then pulled to desired tightness, and to remove merely use hand pressure or a simple tool. Pulltight Series: These seals are available in a variety of lengths and are offered on a mat of 10 for easy distribution.