Polycarbonate sheet Features: 1.U.V protection One side coating and two sides coating 2.Good light transmission 3.Light transmission reaches 25% to 88% according to the color 4.Impact strength 5.Inhibiting condensation 6.Thermal insulation 7.Sound insulation 8.Flame resistance 9.Light weight 10.Easy installation . Standard size: 2.1m x 5.8m for 20ft container 2.1m x 6m / 2.1m x 12m for 40ft container.