The two kinds of height meet different sleep needs, conform to the ergonomic design, perfectly fit the human curve, plump pillow support, can effectively relieve shoulder and neck fatigue, slow pressure to help sleep. Massage granule design, help release cervical pressure, relax cervical vertebra. Natural latex has good elasticity, quick rebound without deformation after extrusion. High temperature physical foaming technology, the formation of a honeycomb air vent, with excellent performance of soaking air.