GET THE BEST SITTING RELIEF - Reduces pressure on the pelvis, tailbone, lower back and perineum. Relieves pain from hemorrhoids, pressure sores, prostatitis, pregnancy, childbirth and lower back pain. MEMORY FOAM - The highest quality memory foam in the donut-shaped pillow will allow you to sit for a long time, without feeling uncomfortable, because it will not flatten over time - will provide you with the greatest comfort when sitting. DR and CHIROPRACTOR RECOMMENDED - This thick cushion repeats the anatomical contours of your body, supports your lumbar region and relieves pressure from your back. It helps prevent the onset and progression of spinal problems and allows for a healthier sitting posture. Plus, it can be used to raise the height of any seat. It is ideal for cases of complications from hemorrhoids or recovering from surgery. USE ON ANY SEAT - Our donut cushion fits most office chairs. The contoured ring-shaped design allows you to properly distribute the weight avoiding compression. This pillow is comfortable even if you move around a lot. You can also use it in your home office as a donut seat cushion for tailbone pain, on the road as a car seat cushion. USE ON ANY SEAT - Our donut cushion fits most office chairs. The contoured ring-shaped design allows you to properly distribute the weight avoiding compression. This pillow is comfortable even if you move around a lot. You can also use it in your home office as a donut seat cushion for tailbone pain, on the road as a car seat cushion. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.