Size15.7x15.7x4.7 inch, Suitable for people of different heights or short people.The car seat booster cushion is Shipped Compressed. Remove the package and shake it .It will take 2448 hours to fully expand.Weight approx 2.2 pounds. MaterialCar driver booster seat made of Air layer fabric, PP cotton padding, breathable soft and comfortable, thick and full, not easily deformed. Car Booster Seat CushionWhile driving. the height is too low to see the line of sight.The booster cushion can help you broaden your horizons, clearly see the road conditions and effectively increase the field of view of about 12 cm 4.7inch. Ergonomic Design The middle part groove design is not easy to slide the buttocks safety nonslip; Feel the high quality car seat cushion to support the legs and back while in the car or sitting at the computer desktop or at home. Portable MultipurposeThe car seat cushion builtin Handle for ease of transport.Our car cushions for driving are almost suitable for all kinds of seats in all seasons, including cars, homes, schools, office seats, etc. It can also be used as rocking chair cushion, garden chair cushion, outdoor chair cushion, dining chair cushion, lawn chair cushion, camping chair cushion, kitchen chair cushion, etc. Very suitable for drivers, teachers, students, office workers, etc.