Comfortable Memory Foam Seat Cushion The car seat cushion is made of breathable fabric and high quality memory foam to make your car seat more comfortable and help you reduce pressure on your tailbone. This memory foam seat cushion protects your car seat from dirt, scuffs, dents, scratches and keeps your car seat in good condition at all times. The base pad is designed with non-slip rubber to keep the seat cushion in place. In addition, the plum buckle enhances the stability of the seat cushion. Fits most car seats. At the same time it can also be used with office chairs, family chairs and any other type of chairs.