This item is made of 210T woven polyester material, which is water-resistant.And it has strong elastic bottom hem, for wind proof.This item has another feature for wind proof: it has SIX loops sewn at the bottom, you can find a rope to tighten the bottom. Product Features1.Dimensions:203'' length*71'' width*47'' height2.Material: 210T Woven polyester with PU coating, water-resistant.3.Protect your vehicle from harmful UV rays and dirt4.The fabric is UV-resistant and breathable enough to avoid moisture and heat inside.5.Double stitched seams can sustain tension6.Elasticated bottom hems keep a snug fit7.Come with two mirror pockets on both sides8.Two loops are sewn on both sides of the bottom. In windy days, you can find a cord or a strap, then thread it through the double loops and tie a knot to fasten the cover.9.Free carry bag to storage when not in use Customer Service:Customer satisfaction is very important to us and our response rating reflects this satisfaction. If you have any questions, our customer service staff welcome you to contact us. We strive to answer all questions and resolve any problem as quickly as possible. Thank you very much for your consideration. Return and refund policy:If you want to return the item because it is not what you want, not as description, or shipping damage, please contact us, and do not use it. We will work out the issue.All return need to be in new condition and original box. And we will refund you in three days after the item returned to our warehouse.