Features: -The donut-style design relieves pressure on the pelvis, coccyx, lower back and perineum, relieving pain from hemorrhoids, pressure sores, prostatitis, pregnancy, childbirth and back pain. -Made of dense high-quality foam, it won't flatten out after long-term use, allowing you to sit for long periods of time without feeling uncomfortable. -With a removable velvet cover, it is machine washable to keep it clean and hygienic. -The bottom has anti-slip particles to help keep it in place and prevent it from sliding around. -Suitable for most office chairs, gaming chairs, vehicle seats, wheelchairs and more. Specification: Color: black Material: foam+velvet Size: 42*34*7cm .
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