Threats Defeated: (1) 7.62x51mm M80 FMJ/NATO Balls (2) 7.62x39mm AK47 Lead Core(LC)/Soft Steel Core(MSC) (3) 5.56x45mm M193 Lead Core(LC)/SS109 NATO Ball Material: Aluminum Oxide + UHMW-PE Weight: 2.15±0.05KG / 4.73±0.11 LB Size: 250x300mm/9.8x11.8' Thickness: 21mm/0.82' Shape: Single Curved Molding