Neck pillow, micro elastic support, comfortable elastic surface, 8 minutes a day, healthy cervical vertebrae exposed Relax the cervical spine, in-depth nursing, focus on cervical spine relaxation, curvature assistance, V-shaped arc, support and fix the cervical spine position, press the pellet to relax the muscles on both sides of the cervical spine C-shaped opening, downward pressure is elastic, deformed, strengthened support, neck bone guide groove, guide the correct posture when using, assisted by gravity curvature, lie down and relax the cervical spine Use gravity to press down naturally, stretch the cervical spine in three directions, horizontal stretch, curvature stretch, upward stretch, C-shaped opening design 2CM