Amazon.com: ProtoArc Seat Cushion for Tailbone Pain Relief, Office Amazon.com: Tailbone Pain Relief Office Chair Cushion 10 Inch Extended ProtoArc Seat Cushion for Tailbone Pain Relief, Office Chair Cushion, Extra Large Ergonomic Memory Foam Seat Cushion for Home, Car, Pressure Relief Amazon.com: Serenesitz Orthopedic Seat Cushion, Serengeti Orthopedic Amazon.com: JESIDO Seat Cushion for Office Chair, Sciatica and Tailbone. Features U Shape Extra Large Design: Unique tailbone cut out for pain relief, even weight distribution, and raised sides for hip support. Pre shaped foam molds to your body for exceptional comfort and support. Upgrade to optimal comfort with our larger sized (18"L x 16"W x 4"H) cushion and transform your sitting experience today Pressure Relief Seat Cushion: Split design targets pressure points on hips, thighs, coccyx for relief from lower back pain, hip discomfort, promoting proper posture. Ideal for long hours seated, offers relief from back and hip pain Thick Cushion Pad: 4. 0" thick memory foam remains firm and supportive without going flat. The extra dense bamboo charcoal infused memory foam for freshness, prevents odor absorption. Provides all day sitting comfort Ease Of Use: Built in handle to make it easy to carry. Breathable cover with zipper closure for easy machine washing. Non slip bottom ensures grip, especially on leather seats, for secure placement. Removable cover maintains freshness, while the non slip feature enhances stability Take Comfort Anywhere: ProtoArc seat cushion relieves lower back and hip pain, perfect for road trips, exercise, gaming. Standard size fits all body shapes, suitable for car seats, office chairs, wheelchairs, ensuring superior support and comfort anytime, anywhere Tips: 1. For optimal comfort, we recommend this seat cushion for individuals weighing less than 100kg 2. The cushion comes vacuum sealed so you will need to let it expand for an hour or two before first use Product Description ProtoArc Seat Cushion for Tailbone Pain Relief, Office Chair Cushion, Ergonomic Memory Foam Seat Cushion for Home, Car, Wheelchair, Pressure Relief Pad for Hip, Coccyx, All Day Comfort