"U" shape design, you can determine the depth of each panel U by yourself with a sliding line.You can adjust the size freely, it can be rolled up in rainy weather without rain.Breathable to let air through. The folds are about 10 inches in size from top to bottom.Product parametersName: retractable sunshadeFabric: PolyethyleneHardware: Stainless SteelWeight: 185g/m²Ventilation rate: about 15%Season: All seasonsDimensions: W x L (can be customized)Stretching method: manual adjustmentPackage Included1 x retractable awningMounting AccessoriesGo to the home page of the store, browse more products, glad to answer questions about products, please send an email (response within 24 hours)