Everlasting Comfort Seat Cushion - Relieve Back, Sciatica, Coccyx and Tailbone Pain 100% PREMIUM QUALITY MEMORY FOAM - Our memory foam is 100% pure with no additives and is made of the exact same material as the world's leading memory foam manufacturers. Can be used to improve bad posture and relieve leg pain while driving or sitting for long periods, enhancing your comfort while retaining its density. HEAT RESPONSIVE - The advanced memory foam pillow responds to the heat of your body to mold perfectly to the shape of your bottom. The thick foam padding compresses and cushions just enough to provide you with that Everlasting Comfort yet keeps its shape to support your tailbone, lower back, spine and hips from those severe pressure points. ORTHOPEDIC DOCTOR RECOMMENDED - We use a U shaped ergonomic design recommended by orthopedic surgeons and medical doctors across the globe for treatment of chronic or acute pain by alleviating pressure in strategic areas. Helps to relieve symptoms of: Sciatic Nerve Pain or Sciatica, Arthritis, Low Back, Lumbar, Tailbone, Coccyx, Prostate, Hip, Piriformis, Spine, Leg Pain, Backaches, Sores, Hemorrhoids, and post surgery, injury or pregnancy pain relief. Can also be used in place of donut pillows VERSATILE DESIGN - Enjoy our pillow's soft exterior and nonslip gel rubber bottom. A perfect solution for your office or kitchen chair, car, truck, airplane, wheelchair, computer desk chairs at home or at work, recliner, stadium seat & bleacher, and couch! Can be used as a seat riser, lift cushion, or car cushion to increase the height of any seat. It's portable and small size also helps you find extra relief when you travel via plane. Plus its black cover is machine washable. LIFETIME REPLACEMENT GUARANTEE - We provide the best customer experience possible. If anything goes wrong, we've got your back, or shall we say...butt. NOTE: Our pad is designed to help relieve aches and pains but with some people it will not completely eliminate all symptoms. *CAUTION: Non-slip rubber bottom may stain light colored leather/vinyl. Before use, wash cover in soap and hot water. Once the cover is dry, test for color fastness with a towel and hot water.