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.Great for Office Chair, Driving & Travelling : Enjoy our pillow's soft exterior and nonslip 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. Built-in a carry handle for easy transport. It’s portable and small size also helps you find extra relief when you travel.