VELPEAU Neck Brace -Foam Cervical Collar - Soft Neck Support Relieves Pain & Pressure in Spine - Wraps Aligns Stabilizes Vertebrae - Can Be Used During Sleep (Comfort, Blue, Medium, 3?)

Instructions?
* A removable sleeve is equipped, it can be covered on the product, comfortable and hygienic.
* Measure your neck circumference and neck height, and choose the size according to the chart.
* Please note that the concave position of the product must be aligned with the chin when wearing.
* Adjust the tightness with the Velcro to ensure the best support and comf...