The Black Premium material: A relatively high type of JAHVERY air pressure suspending material. Characteristics: increasing three times of softness compared with ordinary suspending materials, and the touch feeling is deepened. : dispersing pressure, automatically match the head gravity and stop sinking when it reaches optimum height.
"Bone-shape" design: according to the groove and large arc design of neck, it has very good wrap feeling to head, neck and shoulder so as to fully satisfied with the sleeping position of flat lying or lying on the side. Black Gel Bone-shape Pillow more tends to care for the cervical vertebra, lower pillow height with 8cm is also to better meet the needs of users with cervical vertebrae problems.