Description Ergonomic Contours Innovative Design In quest for the most comfortable long term sitting experience possible, the ergonomic donut cushion for tailbone pain dopts three contour designs. The recessed end design relieves the pressure on the tailbone. The hollow design lifts your body to stabilize and align your spine. Front: Concave design, relax the legs. so that you can maintain an ideal sitting posture for a long time without causing any pain to your back and lower body. Premium Materials Constructed of ultra-premium, high density memory foam this donut pillow will not flatten or deflate with prolonged use like inflatable cushions. In fact the foam allows for temperature and pressure sensitivity that will contour to the bodys shape to provide optimal comfort and pain relief. The washable plush cover gives this donut cushion a luxury strokeable feel. The non slip bottom allows for a secure hold on any surface. Portable and Lightweight The perfect weight is 2.2 pounds measures 11.7*15*2.8 inches, and has a non-slip backing to prevent sliding.The tailbone cushion uses a breathable mesh cover, which does not absorb heat,allowing you to sit comfortably and coolly. Removable and machine washable.Just remove the pillowcase when you need to freshen up. Multi Use If you are troubled by hemorrhoids and tailbone pain, you will benefit from a well-designed seat cushion for tailbone pain relief. The memory foam cushion remains lightweight enough to carry. For use in wheelchairs, home, office chair, armchairs, restaurants, stadiums... The ergonomic relief cushion design promotes natural spinal curvature, good posture, tailbone pressure relief and proper hip alignment throughout the day - wherever you are.