【Premium Memory Foam】★Our office chair seat cushion is made of 100% pure memory ... effectively support the coccyx, relieve the hip pressure caused by sitting for long periods.

These seat cushions will keep your back, hips, and tailbone happy. If you spend a lot of time sitting during the day, you may have experienced the discomfort caused by a bad seating arrangement.

The shape of the cushion also helps to disperse pressure and relieves the pain in your lower back, hip, sciatica, and tailbone pain. The size is large enough (18.3” X 18.3”) to cover the ...