Feature: 1. 1. Material: Made of double layer foam and EVA foam superimposed on each other, which is soft and provides more powerful support. Skin-friendly materials gives you comfort in continuous use which helps keep your neck cool. 2. 2. Dual-use: The external flexible plastic support plate that can be removed freely is added to improve the support force. 3. 3. Reduce pressure: Our cervical collar supports the jaw and neck while limiting mobility to reduce discomfort and pressure in the spine. 4. 4.Ergonomic wear: Designed according to Ergonomics, its “V” shape at the under jaw makes it more comfortable and solid, and the curve rise at the back supports the neck better. 5. 5. Adjustable: Hook and loop fasteners, free to adjust the tightness, to prevent the pain caused by swinging. 6. Specification: Suitable size: the circumference of the neck is about 28-45cm Body fabric: cotton cloth + plastic support sheet Height: about 9.5cm Package includes: decompression neck support*1 Package List: