SOJOY Swivel Gel Seat Cushion for Elderly 360 Degree Rotation Seat Cushion with Memory Foam for Wheelchair,Car Seat, Office,Home…Brand: SJC Color: Black Features: Sojoy has authorized our company SJC to sell this swivel seat cushion,it's the same quality like sojoy product. Notes: This swivle seat cushion only can work on flat car seat,donut seat or curved seat won't work well. Please make sure about your seat before buying, Gel & Memory Foam Combination This swivel seat cushion is made with 100% super soft memory foam and cooling gel top. The gel layer reduces heat and