Breathable fabric; High density memory foam; Silicone gel with non-slip design; Reduce pressure on the coccyx; Suitable for most seats;< br/> Four seasons universal Fine details and craftsmanship Precise stitching, exquisite craftsmanship and good yarn are very strong. This seat cushion can keep the hip and back comfortable for a long time. It is used premium materials with very soft and comfortable feeling. Design Non-slip design The silicone gel of this seat cushion adopts non-slip design to effectively fix the seat cushion. car seat cushion and does not slip when getting in and out of the car. Is suitable for four seasons, breathable in the summer, cool down and keep the air layer warm in the winter. Say goodbye to the coldness of driving seats and drive more comfortably in winter. It can be used in all seasons and it is easy to install