Designed with solid geometry three-dimensional technology, the hexagonal honeycomb structure provides softness and comfort without losing support. Product size: 16.5 14.5 1.8 inches. Thickened design provides reliable support. Even for heavier users, the cushion remains thick and supportive. Made from renewable resources, helping to reduce environmental impact. Our gel seat cushion features high-elastic gel material that quickly returns to its original shape after use, offering better durability than traditional cushions. | Nordara Gel Seat Cushion Extra thicken For Long Sitting Office Car Chair in Purple