Ergonomic booster seat for adults: Comfortable sitting in the car, office and home - Relieves pressure on the back, hips, tailbone - Perfect seat cushion for office chairs and wheelchairs. Suitable for travelers, pregnant women, office workers and other people.Super Thick Chair Cushion: This booster chair adult size 40x40cm, the thickness is 12cm (Due to manual measurement, there is an error of 1cm.). Filled with high-quality, non-collapsing, highly elastic cushions (20% down cotton + 80% 7D cotton), the seat cushion offers you ideal, sufficient height support.Design: Non-slip seat cushion/booster seat car: The booster seat chair fabric is made of 100% polyester, which is super soft and breathable. The extremely exquisite workmanship makes the seat cushion very durable. Non-slip cushion is provided with grooves, which makes the hips not easy to slide.Drive more safely: While driving, you can neither over the side mirrors nor the front of the See cars. This booster seat will make you feel so much safer while driving. It chair cushion comfortable and gives you just enough height to see above the blind spot.Various applicable scenarios: Ergonomic orthopedic seat cushion can be used for office chairs, car seats, airplanes, rocking chairs and wheelchairs, offices, gyms and private homes . But also as a seat cushion for office chairs, booster seats, sofa cushions, wheelchair cushions, floor seat cushions, garden chair cushions, etc.