Features: automatic rewinding function - The automatic retractable roller sunshade has a one-push retract button allowing for easy use. Each sun shade includes 3 pieces suction cups so you can securely attach the sunshade to your passenger Side windows from left to right. Visibility through windows - the shade reduces the glare and heat of Sun, while still allowing you to see from the car outside during car rides, to ensure that your vision is not obscured. Keep your cool and comfortable by blocking glare and heat. Keep the interior of your car Cooler - these adorable roller Shades will reduce the temperature inside your automobile while keeping your safe from direct UV rays. Perfect fit and easy to install - these 2 pack of Auto sunshades come with suction cups, which allow for easy attachment. The roller sunshades can be adjusted in width to provide the perfect fit and keep the shade in place. Instructions: The nylon material Universal sun blinds are the ideal way to keep the sun out of the eyes and offer perfect protection for to block harmful UV rays. Easy to fit and install, easily attached to the cars windows by Suckers, ideal for filtering sun light and glare. 1. Push button once to retract Blind into roller cassette. 2. Blinds are pulled down and secured in place using a suction cup. 3. Fix directly to the top of any car window. Package includes: 2 x car side window Blind 6 x Suction Cups.