26 septembre 2022

The bulletproof layer structure of green bulletproof vests is a 58-layer high-performance polyethylene fiber weft-free cloth, and the bulletproof vest is flexible to wear and easy to put on and take off.

There are many standards for bulletproof level, but the NIJ standard of the United States is commonly used. There are six levels in this standard, namely: level I, level IIA, level II, level 3A, level III and level IV.