Heat Insulation: Let your car with hot sunshine isolation, and reduce direct sunlight caused aging interior. Prevents inside of car from heating up, keep yourself cool. Cool Interior Environment: This interior car rear side window sunshade is a great helper for driver in summer and can effectively block sunlight, reduce the temperature inside of vehicle. Improve the effect of air conditioner. Preventing interior of cars from heating up, keeping the interior environment cool. Portable: foldable and easy to carry. Easy and Installation: Easy to install and remove, with suction cup attached, easy to operate and no harm to the window of your car. Fit for: Universal for most car vehicle. This side window sun shade fits most windows. The color of the suction cup will be delivered at random. Package includes: 2 x Car Side Window Sun Shade 4 x Suction Cup