The ergonomic posture support cushion from Drive Medical provides firm yet plush support to reduce discomfort in the head, neck shoulders and back by promoting ideal spinal alignment. The cushion is great for use at home, in the office or even on the road in the car. Plus, it also works great placed behind the knees and ankles. The cushion comes compressed in a unique compact package and expands to full size when opened. The cushion's cover is also removable and machine-washable for easy care while a handy elastic strap keeps the cushion securely in place. Firm yet plush for superior posture support|Helps reduce discomfort in the head, neck, shoulders, and back|Ergonomically designed to promote proper spinal alignment|Attached strap helps keep cushion securely in place|Great for home, office, and travel - even in the car|Also great for use behind the knees and ankles|Cushion automatically expands to f ull size when removed from packaging|Comfortable and durable foam construction|Removable, machine-washable cover