Polyester blocking 99% UV light,reduce the interior temperature. Protect the car from dust, acid rain, bird dropping, deciduous leaves, etc. Prevent the car formaldehyde, benzene and other toxic gases volatile. You also can plus triangular bracket, suitable for an outdoor barbecue, picnic, fishing and so on. Name: Car Umbrella Sun Shade Cover Function: Waterproof, dustproof, and UV resistant. colour:Blue Material:Oxford cloth + polyester size:Unfold size:4.2*2.1M Package Contents: 1 x Car Umbrella Sun Shade Cover Note: Shade cover ONLY. The support bracket is NOT included in this item. Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.