Features: 1) Fixed firmly onto the roof of cars, easy to use (opening it just like opening an umbrell and convenient to carry, cover whole car, burglarproof 2) Specifications (cm): 260 x 150, 280 x 160, 312 x 182, 323 x 183, 330 x 186, 336 x 187, 341 x 190, or customized specifications and sizes 3) Materials: surface is made of sunshine reflecting fabric with special heat resistant materials; and frame is made of aluminum alloy Inner packing: 1pc/package Outer packing: 6pcs/ctn