Feature: 1. Multiple Holes: Can provide better ventilation, breathable, make you feel comfortable when used for a long time. 2. Pain Relief: Neck brace has obvious effect on symptoms such as neck pain caused by long hours of work, study, or driving. 3. Adjustable Height: Separate design, height can be adjusted freely according to the height of the user's neck. 4. Purpose: Protect your neck, suitable for cervical spine fracture fixation, cervical dislocation, reduction fixation, etc. 5. Excellent Material: Made of high quality PVC material, safe and eco friendly, stable and durable, easy to use and clean. Specification: Item Type: Neck Brace Material: PVC Uses: Suitable for cervical fracture fixation, cervical dislocation, reduction fixation, etc. Size Chart:Size Length Suitable WeightSuitable Neck Circumference M 54cm / 21.3in 50‑80kg / 110.2‑176.4lb 32‑37cm / 12.6‑14.6in L 59cm / 23.2in Above 80kg / 176.4lb 37‑43cm / 14.6‑16.9in. Package List: 1 x Neck Brace Note: 1. When wearing, take individual comfort level as the standard, and don't tie it too tightly.2. When there are stains on the surface of the product, you can clean it with a clean cotton cloth to remove dust and dirt.3. The product can be washed, it is recommended to wash by hand. The water temperature should not exceed 40 degrees Celsius during washing. Please use neutral detergent, avoid prolonged soaking to prevent the fabric from aging. After washing, it should be dried naturally and not exposed to the sun.4. The product does not need to be ironed, please place it in a dry and ventilated place when it is not used for a long time.5. Please allow slight error due to manual measurement. Thanks for your understanding.