Back, Waist, Neck Pain Relief Slow Memory Leg Feature: : xx Efficient-site support – this has a semi-circular that keeps the body in different parts. Place the under the knee to reduce the load the spine; the back can support the waist. It also improves and reduces varicose veins and raises the. The semilunar pad is similar to a wedge heel, a cylinder or a circular pad. It can be used during pregnancy and is ideal for sleeping the side. – made of high quality materials with double layer. The outer cover is made of granule anti-slip cloth, and the inner sleeve is made of knitted bird's eye cloth. Due to the repeated shape of the body, the inner core is a high-density sponge, which is used to fix the posture you use. Applicable # water drop invisible zipper. A variety of uses - this cushion is ideal for sleeping while seeking relief during sleep. It supports the back, knees, ankles, feet, and neck. This semi-circular cushion reduces and prevents pain in main positions and improves your body alignment: between the legs; lower back; under the knees and under the legs. This ergonomic can also be used as a rear support a sofa or chair, or as a mattress septum to you from rolling the bed. Applicable people: office white-collar