This cushion is the latest design of 2020. The middle area has been widened and lengthened to alleviate the fatigue of sitting for long periods of time.This cushion is designed from the perspective of blood circulation in the legs, which can relieve the pressure on the legs very well.The bottom of the seat cushion has a non-slip base that can be better fixed on the seat. The outer cover is 82% cotton which is skin-friendly and washable. The outer cover fabric is made of velvet, cotton, mesh, etc.