Fabric, crystal velvet, selected high-quality fabrics, sweat-absorbing and breathable, positioning of the limbs, not easy to foam. Filled with pearl cotton, high-elastic pearls are full, fluffy and soft, and have good resilience. Multifunctional beautiful buttocks waist cushion, special for office chairs, student chairs, and dining chairs. The seat cushion is one-piece and dual-purpose, soft, comfortable and breathable, tied to the chair, and instantly has a sofa, placed on the ground, comfortable and sedentary. The waist and hip protection integrated seat cushion, which integrates the seat cushion and the back cushion, the waist protection, neck protection, hip protection and leg protection are all-in-one, bid farewell to cold and hard discomfort, not easy to get tired after sitting for a long time. The cushion chair can be used in schools, study rooms, offices, bedrooms and other scenes. Non-slip elastic, firmly fixed on the seat, not easy to slip off after sitting for a long time. The side windproof zone provides full support to the lumbar spine and enhances comfort. Hand straps, double protection, make you sit more comfortable. The support area of the arm major muscles relieves the fatigue of the day. Straps on both sides + elastic design, firmly fix the chair at any cost only for you more comfortable experience.