Battle Steel Level IV Ballistic Armor Plate Side Plate 6 x 6in. Features multi-hit capability with a shooters cut single curve shape. Ballistic material is polyethylene and ceramic. Specifications for Battle Steel Level IV Ballistic Armor Plate: Manufacturer: Battle Steel Color: Black Quantity: 1 Fabric/Material: Polyethylene/Ceramic Threat Level: Level IV Thickness: 0.8 in Armor Curve: Single-Curved Plate Application: Front and Back Package Contents: Battle Steel Level IV Ballistic Armor Plate Battle Steel BS105013: Level IV Ballistic Armor Plate Side Plate 6 x 6in