Gel seat cushion, egg sitter support cushion, car seat cushion, office chair cushion. this cushion commonly known as the egg sitter support cushion absorbs pressure points creating a comfortable seated feeling. it is made of high elastic gel material making it have excellent shock absorption, reducing pressure on the waist. its honeycomb structure enables it have a good breathability and practicality it is easy to clean and easy to carry(portable). retains it's shape strong and durable fits most chairs. free washable cover size:40*34*4cm(thickness). summer gel seat cushion breathable honeycomb design chair cushion breathable cool pad ice seat cushion silicone car seat cushion