About this item 100% high density memory foam: Maintain the shape of the memory foams. The seat cushion does not deform or collapse to provide long-lasting support and improved comfort. (Note: the softness of the pillow varies slightly with the temperature.) Perfect U-shaped design: according to the ergonomic U-shaped contour design, it is close to the hip curve, provides excellent support for the hip joint and helps you adjust your sitting posture. With a coccyx resection design, it helps increase pressure on the tailbone, which relieves pain caused by prolonged sitting. .
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