Feature: 1. Precise algorithm finds position of small hole, so that neck brace can achieve a supporting effect under condition of good air permeability. 2. Long‑term use of this product can protect neck and relieve uncomfort. 3. Suitable for obvious effects on neck pain caused by long hours of work, study, or driving. 4. Separate design, height can be adjusted freely according to height of use's neck. 5. Suitable for cervical fracture fixation, cervical dislocation, reduction fixation, etc. Specification: Condition: 100% Brand New Item Type: Cervical Collar Material: PVC S: Approx. 50cm/19.7in M: Approx. 53cm/20.9in L: Approx. 59cm/23.2in Use: Suitable for cervical fracture fixation, cervical dislocation Position, reset fixed, etc.. Package List: 1 x Cervical Collar Note: 1. Wear it according to your own comfort and do not fasten 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, and it is recommended to wash by hand. The water temperature should not exceed when washing. At 40 degrees Celsius, please use a neutral detergent to 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 not in use for a long time