Features 1. H-shaped double concave, protecting the legs and knees, rejecting mutual compression between the legs and knees, and releasing pressure. 2. Air layer fabric: Air layer pillowcase, with good elasticity after three cycles of use, delicate and textured. 3. Double car craftsmanship edging, double car sewing, exquisite and beautiful, firm without opening or appearing. 4. Invisible track zipper: Compact and exquisite invisible zipper, safe and durable, does not harm the skin, and is easy to disassemble and wash. Specification Product Name: Leg Clamp Pillow Product size: 25 * 15 * 23cm Vacuum size: 24 * 7 * 22cm Core Material: Memory Cotton Coat material: air layer Hollow out design: OPP 242g Package Include: 1x leg clamp pillow