High security barrier seals have helped following the events of 9/11, it was apparent that border protection needed to be tightened since cargo containers entering and leaving U.S. borders became higher risks to terrorist attacks than ever before. We are the world's leading manufacturer of barrier seals, tamper indicating locking devices and metering-related products. For 130 years, our innovative products have been used by a diverse number of industries to safeguard their revenue and assets. Let Brooks protect your assets with our security barrier seals.