Our Ballistic Plates are constructed of Ultra High Molecular Weight Polyethylene (UHMWPE) creating lightweight ballistic armor and meet NIJ Threat Level III specifications. The Plates are fully sealed to protect against harsh elements, liquids and chemicals. They are also highly buoyant if used near a water environment. The plates are ideal for your plate/armor carriers and vest, backpack, computer cases, and plate/armor carriers. Guardian Gear armor is trusted by law enforcement officers, security companies, proven to save lives, and the best value in body armor.