The Vism Stand Alone Ballistic Plate Level IV is constructed of ceramic/ultra high molecular weight polyethylene (UHMWPE) creating a light weight ballistic plate. This material structure allows for a greater crack resistance over other ceramic plate designs. The Level IV is capable of stopping .30 caliber AP and M2 rounds with a bullet weight of 166 grains. The large curve design allows for maximum coverage and fits the user with great comfort, and better mobility. The Level IV Ballistic Plate is fully sealed to protect against liquids, chemicals, and other harsh elements. The Vism Stand Alone Ballistic Plate Level is ideal for VISM Plate Carriers.FeaturesLevel IV Threat Level Protection (.30 Caliber AP and M2 Round with 166 Grain Bullet Weight)Ceramic/Ultra High Molecular Weight Polyethylene ConstructionComfortable and MobileFully Sealed against Liquids, Chemicals, and Harsh Elements Shooter's Cut Large 10"x12" 5.5 lbs