DescriptionEffectively helps in restoring proper cervical curvature associated with consistent use. Helps to recover from tension and stress-related problems, including headaches, cervical syndrome, tension at the base of the skull, etc. A must-have neck stretcher for daily use.Features- Color: Blue.- Material: Polyester fiber. - Size:23.00X22.00X11.00cm/9.04X8.65X4.32in.- Focus on cervical spine relaxation, 120-degree curvature assistance, both concave and convex sides are available, and flexible materials fit. 18 pressure particles, fit the cervical vertebrae, guide the correct lying position. - Utilize gravity to naturally press down and stretch the cervical spine in three directions. Two-way pillow design, great difference in stretching and traction, and ergonomic design. - Ergonomic curve design, this chiropractic pillow can give neck support in variety of ways. - Perfectly match with human cervical spine, help support the cervical vertebra to the correct position. - Made of quality polyester material, safe and durable to use, not easy to deform.