1、Suction Cup Design:The car side window sunshade is designed with suction cups, adjust your favorite size at will. Multi suction cup design makes the sticking sturdy, secure and reliable, the material is soft and easy to storage. 2、Block Harmful Sunlight: By effectively blocking 98 percentage of harmful sunlight, the window shade provides essential protect for your truck's interior. Keep the interior of your truck cool and comfortable. 3、Premium Material: Heavy duty window cover is made of premium polyurethane material that effectively blocks harmful sunlight. It significantly reduces the cockpit temperature to below 90 degrees Fahrenheit, even in temperatures up to 110 degrees Fahrenheit. 4、Easy Installation: The side window sunshade is easy to install and is a must have truck accessory for truckers and RV enthusiasts. You can also quickly remove them when not in use, saving you time. 5、Compatibility: Semi trailer side window sunshade is suitable for RV trailers, for trucks, and more.It will not block the view of the rearview mirror, ensure the security of driving, and improve the overall driving experience. Item Type: Semi Truck Window Shades Material: Polyurethane Application: for VNL for RV Semi trailer for International Trucks 2 x Semi Truck Window Shades 8 x Suction Cup 8 x Snap Fastener