Blletproof glass:. Top quiality,best price. Blletproof glass :Structure:1. Bearing layer: The impact of ... breakdown, the general thickness of large, high-strength glass, can destroy warheads or warhead to change shape, ... . 3. Security layer: This layer of high-strength glass or transparent high-strength organic materials, have better flexibility ... and other places for public safety. Blletproof glass