Neck Brace: Relieve the soreness and discomfort caused by neck compression, and poor blood circulation. Design: Ergonomic design, stable neck support. According to the ergonomic design, buckle design fit the neck curve and stabilize the cervical vertebrae support. Principle: Raise the cervical vertebrae, the posterior part of the traction belt is even, and the cervical vertebra is supported after being pressurized. Health: Allow the cervical spine to rest and help the neck to restore the correct physiological curvature. Suitable: which is suitable for Men & Women, Youth & Elderly, Boys & Girls. Features: 1. Relieve the soreness and discomfort caused by neck compression, and poor blood circulation. 2. Fixed traction, curve stretching, supporting the physiological curve of the neck. 3. Allow the cervical spine to rest and help the neck to restore the correct physiological curvature. 4. Raise the cervical vertebrae, the posterior part of the traction belt is even, and the cervical vertebra is supported after being pressurized. 5. Ergonomic design, stable support. According to the ergonomic design, fit the neck curve and stabilize the cervical vertebrae support. Specification: Product Name: Sponge collar Material: sponge Color: black and white Size: S / M / L optional S: about 41 * 9cm / 16.1 * 3.5in M: about 48 * 9cm / 18.9 * 3.5in L: about 52 * 9cm / 20.5 * 3.5in Package list: 1 * Neck Brace Features: 1. Relieve the soreness and discomfort caused by neck compression, and poor blood circulation. 2. Fixed traction, curve stretching, supporting the physiological curve of the neck. 3. Allow the cervical spine to rest and help the neck to restore the correct physiological curvature. 4. Raise the cervical vertebrae, the posterior part of the traction belt is even, and the cervical vertebra is supported after being pressurized. 5. Ergonomic design, stable support. According to the ergonomic design, fit the neck curve and stabilize the cervical vertebrae support.