Donut Orthopedic High-Density Seat Cushion (multicolor).

Summary

The foam in the donut pillow, will allow you to sit for a long time, as it won't flatten over time-will provide utmost comfort while sitting.
It measures 17 x 17 x 4cm
Coccydynia pillow Provides strong support for your back and tailbone,(Coccydynia)
Absorbs and relieves pain and pressure from your buttocks.Prevent tail bone and sciatic pain.