14.6 Inches

Comfort & Cool Gel Seat Cushion- Very soft and comfortable cloudy sitter cushion is made from high grade grade gel material which is flexible, breathable and durable,Unlike memory foam desk chair, sciatic nerve pillow, or foam cushion, the chair pad with unique flex-grip honeycomb design allows air to circulate and Cooling gel offers temperature-regulating relief and supports you to get rid of pain without seat-inducing heat. Pain-free Gel Egg Sitter Cushion- Double Thick Egg Seat Cushion at large size about: 17*14.6*1.4 inch helps tremendously when sitting for long periods. Effectively relief of Coccyx and hips pain and alleviate various pain symptoms, including tail bone problems in car or chair, lumbar strain,degenerative disc disease,eases sciatic pain and relaxes your back. Provides much needed comfort. Get the black Gel Office Chair Cushion and your butt will say thank you! Practical Comfortable Padding Fits Most Chairs- The gel sitter cushion is convient to move from place to place.Suitable for various use scenarios: home recliner, floors,office chair, car or truck &RVs seat, travel, stadium, Wheelchair & Mobility Scooter Cushions, long commutes,Seated Job, Road trips, long flight,hard kitchen chair,bumpy yard,Movie Theaters,Classrooms,Church, Meditation, Yoga,Trains,Planes,sporting events ,etc.As must for sitting long periods of Time!