LT bulletproof panels consist of alumina, silicon carbide or boron carbide mosaic tiles on ultra high molecular weight polyethylene (UHMW-PE) backing, which design satisfy the protection level NIJ III and IV of the US-STD-0101.04. By applying ergonomic principles, our panels are designed as single curved and with reasonable chopped corners, to suit different demands of military and law enforcement use s. It is more comfortable and easier for the user to do combat action. The panels are waterproof and were tested to work properly between ± 40 ℃ .