 
Hermell Coccyx Cushion Wedge w/Rip-Stop Zipper Cover Pressure Relief 16x18x3"
 
Details:
- Adds comfort and support to hard chairs, wheelchairs, sofas, office chairs and car seats .
- Features a removable, washable rip-stop cover. 
- Foam meets California #117 requirements
- Latex-free.
- Dimensions: 18"W x 16"D x 3"H
- Color: Navy
- Cutout: 6"
Description:
 
Unique design for relief of pressure on the coccyx bone. 100% foam construction with 6 inch triangular opening that helps reduce pressure on your lower back and tailbone and helps reduce back pain. The highly resilient form adds extra cushioning and support to hard chairs, wheelchairs, sofas, office chairs and car seats for total comfort and is portable.