1. Material: PP 2. Specifications: one size 3. Applicable parts: neck 4. Men, women and children can use 5. Function: it can effectively support the head and reduce the pressure on the neck caused by bowing the head for a long time or bad sitting posture 6. How to use: adjust the angle of the bracket according to personal characteristics, so that the chin and chest are completely fitted with the bracket, and then adjust the tightness of the nylon to achieve a better fixing effect 7. Unit weight: 250g
