Description The contoured donut shape is engineered to reduce coccyx pressure, as well as relieve stress on the tailbone, hip bones, and legs and while you are sitting. It can be used at home, on the road while driving a car or truck, and an office. Feature - Color: As shown.- Material: PVC.- Size: 35x35x8cm.- COMFORTABLE AIR CUSHIONING: Designed to evenly distribute body weight to eliminate painful pressure points.- REILEVES UNDERSIDE PAIN: Coccyx support pillow relieves pain associated with hemorrhoids, pressure ulcers, prostatitis, pregnancy, childbirth, and lower back pain.- TAILORED COMFORT: Our seat cushion's level of inflation can be adjusted to meet your individual needs and provides lumbar support for office chair and other sitting areas.- UNIVERSAL SIZE FITS ANY SEAT: Compact and conveniently portable, the donut cushion easily works with any seat.- EASY INFLATION: Fast and easy inflation by mouth or with the included air pump(random color). With our included air pump, you will always be able to inflate your cushion quickly and easily.Packing list: 1 x Cushion1 x Air Pump