Details of this anti riot shield: Materials:pc Color: transparent Size:900*500*3mm, 900*500*4mm, 1100*600*4mm, or as customers' demands Weight:2.2~4kg Police anti riot shields feasures 1.Long using life 2.Light transmission: 84 precent 3.Impact resistance: 80 times that of glass, 15 times that of acrylic sheet 4.Ultraviolet resistance: with uv protective layer 5.Strength of handle point >500n 6.Strength of arm strap point>500n 7.Puncture resistant performance: above 147j kinetic energy shock and 20j puncture Advantages: 1.Tough, injection-molded, clear polycarbonate shield is. 2.Uv-resistant polycarbonate allows visibility up to 84% light transmission. 3.Shock-absorbing foam pad protects user's forearm 4.Light weight and easy to wear