BrellaShield by Arctic Air is the fast and easy way to help keep your car cool and comfortable in the hot blazing sun! It works just like an umbrella. simply pop open BrellaShield to expand. and it easily fits against your car's windshield. When you return to your car. simply click the locking latch and pop BrellaShield shut into its easy to store. compact size. The secret. BrellaShield reflects intense heat and harmful UV rays from the sun to help keep your car cooler. BrellaShield also helps keep your car's interior looking new and was designed to provide sun blocking protection from fading and cracking! SpecificationsLength: 4.13 in.Width: 13.58 in.Foldable: YesWeight: 1.22 lbs