1.Good memeory foam material 2.Anti-mites inner 3.Special design, and with zipper 4.Suitable for office, home, and travel 1. Special design depending on human engineering, fitting the head, neck and shoulder , could relieve the nerve and muscles on Head, neck and shoulder parts 2. The material is Anti-mites, which could bring you a clean and healthy environment 3. Zipper design is convenient for ...