Car Seat Cushion - Coccyx Orthopedic Comfort Memory Foam for Back Pain and Sciatica Relief - Perfect for Office Chair 100% Memory Foam Guaranteed(Gray) Ease Lower Back Pain & Sciatica Relief - Car seat cushion is ergonomically designed to provide support and comfort while reducing pressure on the coccyx / tailbone with the U-shaped cut out and promote healthy posture. It helps with most sitting pain due to sciatica, herniated discs, tailbone injuries, pregnancy back pain, hip pain, hemorrhoids and other spinal issues. High-density Rebound Memory Foam Cushion - Made with premium quality 100% memory foam, Big Ant s coccyx cushion, also being a lumbar seat cushion, is built for 2.75" thickness, never flatten for a long time usage. Specially it maintains its shape forever. Convenient & Portable - Coccyx car seat cushion comes with a removable velour cover, which is machine washable and allows for easy cleaning. So soft to touch, brings a good feels. Take it everywhere you go conveniently. Perfect Fit Almost Anywhere - Provide instant comfort on any hard surface. Suitable for office chair, kitchen, dining room, living room, patio and even the wheelchair, also great for outdoors sporting events, truck drivers, pilots and frequent travelers etc. Moreover, it can also be a donut pillow for pregnant women. Satisfaction Guaranteed - 100% Memory Foam Guaranteed to Never Go Flat! A Bonus Gift - exclusive ONE CLEANING CLOTH with our compliments -- just as an appreciation for your business. Size:17.71&#034; * 13.77&#034; * 2.75&#034;/45cm * 35cm * 7cm Boosts height for better ergonomic positioning and typing posture at your home or office desk Make traveling much safer by increasing driving visibility in all kinds of automobiles Fits virtually any seat to provide immediate comfort and relief Durable cover is so soft to the touch Provides superior comfort while remaining firm and shapely Velour cover with convenient zipper, removes easily for washing. The U-shaped cutout rear section provides back pain relief by minimizing pressure on the tailbone and helps achieve proper spinal alignment. The ergonomic contour design further promotes healthy posture. Pain or numbness from sitting for long periods of time Fibromyalgia Lumbar spinal stenosis Degenerative disc disease Pilonidal cyst Pressure sores or pressure ulcers Pregnancy or labor-induced coccydynia Road trips, long flights, seated desk work Extra cushioning for uncomfortable office chairs Padding for a hard surface (e.g. wooden chair, bench) Sciatica Bruised, fractured, inflamed or broken tailbone Healthy posture and proper spine alignment Herniated, bulging, slipped or prolapsed disc Piriformis syndrome Pelvic pressure and hip pain Lumbosacral Spondylosis