Ergonomic chair seat cushionIt completely wraps the buttocks and adopts a widening and enlarged design that is very suitable for the buttocks. It reduces the pain of the legs, back, buttocks and sciatica. It is designed to reduce the pressure on the lower back, waist, buttocks and thighs and provide comfort. The ergonomic design helps increase blood flow and relieve muscle fatigue. Lightweight portable chair cushionIt is very light and easy to carry. This ergonomic cushion is very suitable for most office chairs and can be used as an office chair cushion, Car seats, wheelchair cushions, can also be used on airplanes or trains. If you find that you cant sit down for a long time due to hemorrhoids, tailbone pain, accident or surgery, you can experience it. All-in-one high-density memory foam cushionMade of skin-friendly short fleece fabric, soft and delicate texture, not easy to fall off and pilling, moisture absorption and breathability. The bottom is designed with non-slip glue dots to increase friction and ensure that the mat stays in place. And it will not move or slide on any surface. Made of high-quality 100% memory foam, it has good elasticity and rebounds quickly within 3-5 seconds. Zipper design, easy to take apart and washOur donut cushion for tailbone pain has a zipper design on the outside. It has a large slider, strong force, smooth and easy to pull, durable, simple and atmospheric, does not hurt the skin, and is easy to remove and wash. Complete GuaranteeAfter dozens of repeated revisions, hundreds of consumers research feedback, and most peoples hip structure, the third-generation wrapped cushion has been carefully polished. We focus on studying healthy sitting posture, just to make you sit better. The innovative and ergonomic doughnut pad achieves the perfect balance between comfort and support.