Note: 1. Wear it according to personal comfort, not too tight_x000D_2. When there are stains on the surface of product, you can clean it with a clean cotton cloth to remove dust and dirt_x000D_3. Product can be washed, it is recommended to wash by hand. The water temperature during washing should not exceed 40 degrees Celsius. Please use 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. _x000D_4. The product does not need to be ironed and will not be used for a long time. When, please put it in a dry and ventilated place specification: Item Type: Cervical Collar_x000D_Material: PVC_x000D_Uses: Suitable for cervical spine fracture fixation, cervical spondylolisthesis_x000D_Position, reset fixed, etc._x000D_ Size Suitable Weight Suitable Neck Circumference_x000D_ M 50-80kg/110.2-176.4lb 32-37cm/12.6-14.6in_x000D_ L 80kgAbove/176.4lb Above 37-43cm/14.6-16.9in Features: 1Separate Design: Height can be adjusted freely according to the height of the user's neck. 2Multiple Holes: Can provide better ventilation and provide comfort during long term use. 3Wide Use: Suitable for symptoms such as neck pain caused by long hours of work, study, or driving. 4Persistent Use: Long term use of this product can protect the neck and have a significant relief effect. 5Premium Quality Material: Neck Collar is made of PVC, and exquisite workmanship, relieves pain without compromising your mobility. PackageList: 1 x Cervical Collar