Simple, affordable and reliable, the Summit Seat Raiser is inserted under an existing seat cushion to raise the seat's effective height by 100mm (4 inches). This makes it easier for the user to raise and sit down because he or she starts from a higher, more upright position. It comprises of a foam cushion . Raises seat cushion to a more accessible height to help prevent the need for any painful bending and stretching. As such, it is a great alternative to bulky chair raisers.