This kind of pillow use special material,tourmaline negative oin cotton , far infrared pipe and 8 pcs Bio magnet,it can release negative oin,far infrared,also can massage neck.So it can effectively improve blood circulation,promote metabolismand enhance immunity. 1.High-grade material The product adopts 100% high count and high density cotton fabrics as its material. This material is soft ,breathable and friendly to skin . It's acarid-proof and antibiosis so it can purify the air,increase human body oxygen content and improve sleep quality. 2.Magnetic therapy There are 8 magnets in the pillow core. The magnets can improve blood circulation of the head, relieve fatigue,improve brain blood supply and regulate the blood pressure by two-way adjustment. Besides ,the pillow can massage five acupuncture points of neck,release far infrared rays and increase blood oxygen content . All these functions can improve rest efficiency and make you energetic everyday. 3.Perfect suturing technique We use delicate lockrand technology to make the product elegant and durable in use. At the same time ,the fine workmanship can improve product quality . Addition: 1.We are manufacture 2.We have the SGStest report, ISO9001 certification 3.Supply the OEM & ODM Service