XSIUYU Extra-Large Gel Seat Cushion, Breathable Honeycomb Design Chair Cushions, Tailbone Pain Relief Egg Seat Cushion Butt Pillow, Chair Cushion for Office Chair Car Wheelchair Home Desk ChairBrand: XSIUYU Color: Blue Features: 1. 5 TIMES UPGRADE LARGEST SIZE COOLING GEL SEAT CUSHIONSDifferent from the small size on the market, the size of our gel seat cushion has been increased to 18x17x1. 57 inches, which is equivalent to an increase of 1. 5 times the seating area, to ensure that it can be used comfortably on any type of chair and any body shape. It can solve the problems of sedentary thighs and insufficient support on the small cushions