Used twice. This cushion is a hot topic, boasting a honeycomb structure with excellent pressure distribution, designed to prevent an egg from breaking even when sat upon. It supports body pressure over a wide area, providing a sitting experience like floating in the air. The ergonomic design reduces pressure, and its high elasticity allows it to return to its original shape even when compressed, ensuring no change in shape even after prolonged use. It supports the buttocks firmly, eliminating discomfort and promoting good posture, thus providing maximum comfort. Simply place it on your usual chair or car seat. It's neither too hard nor too soft, and doesn't sink in too much, making it easy to use. It's perfect for those who spend long hours driving or sitting. The design is suitable for all ages and genders. It comes with a washable cover for hygiene. Its excellent elasticity firmly supports the body. It reduces fatigue even after sitting for long periods and helps with lower back pain and posture correction. The seating surface uses rayon material, polyviscose, which feels good to the touch and is gentle on the skin. The underside has a non-slip feature, allowing it to be securely fixed in any location and preventing it from slipping off. Comes with a year-round cover with non-slip processing. It has a zipper, making it easy to remove and wash, allowing you to maintain cleanliness at all times. (Approx.) 38 x 32 x 3.5cm (Approx.) 800 g TPE Thermoplastic Elastomer 100% Polyester The above is a copy from the website.