About DMI Coccyx Support Seat Cushion:
This unique sloping cushion is specially designed to help prevent you from sliding forward in a chair to give you added security and safety.
Features:
- A 3 inch U-shaped opening provides pressure relief for the coccyx/tailbone area to help relieve lower back pain
- Constructed of highly resilient polyurethane foam for maximum comfort and durability
- Features a machine-washable, zippered cover with built-in carry handle