Memory Foam Seat Cushion With Removable Microfiber?Black? The product is shipped based on the color or size of the main image of the product page. Colour:Black Gel memory foam cushion for hemorrhoids?100% Polyester FULL BODY SUPPORT: The U style seat cushion provides firm support not only for the bottom, tail bone, hips and thighs, but helps the spine, lower and upper back, and posture. MEMORY FOAM: This memory foam chair cushion is made from premium materials, the cushion shapes itself according to your body shape, raising the coccyx and evenly distributing weight and improving balance. Multiple colors to choose ORTHOPEDIC SUPPORT: Doctor and chiropractor recommended, this orthopedic seat cushion helps obese or overweight people, relieving the pressure and strain from sitting at a desk. LIGHTWEIGHT AND PORTABLE: Bring the comfort of your perfect cushion everywhere you go Whether you’re in the office or spending hours on the road you can sit comfortably. Can be used as a car seat cushion, office chair cushion, or tailbone pain relief cushion and more. BREATHABLE COVER: The removable microfiber polyester cover is machine washable for quick and easy cleaning. It keeps the cushion well ventilated, to avoid sweat and smells.