Swivel cushion is a soft, flexible swivel seat with a unique design that allows for easy transfer in and out of a vehicle. Simply place the cushion on the seat and enjoy 360 degree rotation to make getting into or out of the car easier and more comfortable. The avin swivel cushion provides a full range of motion and ensures stability and safety. It is extremely portable and flexible so you can transfer it from vehicle to vehicle, plus, it keeps a low profile, so no one will know. The swivel cushion is durable and will fit in any car, truck, or van. Measures 17 inches x 17 inches x 0.5 inch.