Buy Cushion Fusion | Gel Cushion at the best price. Cushion Fusion is the result of a new and unique technology. Cushion Fusion uses high-density, resistant foam and therapeutic gel to provide immediate support and comfort. Traditional cushions are usually filled with wool, feathers and polyester, but Cushion Fusion consists of 4 layers: a double layer of high-density foam which provides double support, reinforced by a third layer of therapeutic gel and a soft fleece cover on the surface. Enjoy absolute relaxation and comfort now thanks to the beneficial properties of this comfortable gel cushion.