Description: Premium Quality: Made of dense premium comfort polyester fiber and memory cotton, designed to support extended sitting time and never go flat. Non-slip bottom provides you with a steady cushion, which, stays in place and does not shift or slide. Comfort & Support: Supportively dense system allows comfort and support. Relives pressure on pelvic, coccyx, tailbone, legs and hip bones while sitting. Reduces pain from ulcers, hemorrhoids, pressure sores, pregnancy and child birth. Don?t settle when it comes to comfort. Support your back and lower body with this soothing and comfortable pillow, which molds to each individual body type. Portable:Take this pillow with you! Perfect for a long flight or hours of work at the office. Use on your chair at the dinner table and then take it with you to the couch to comfortably watch a movie. Dimensions Machine Washable: Washable cushion cover allows you to keep your cushion fresh and clean. Simply remove cover and place in washing machine to cushion looking new. Dimensions:This cushion is perfectly shaped and sized. Not to bulky yet large enough for most body types. Conveniently sized to take with you wherever support and comfort is needed. Size Chart: 42x34x7cm/16.54x13.39x2.76inch Package Includes: 1 Piece Donut Pillow Tailbone Cushion Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!