Big Ant Memory Foam Seat Cushion for Back Pain - Pink 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. 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. 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.