Please be noted: trap length size is about 19 in adjustable for 4 inch by the velcro. Fits medium size heads Simplicity of use - So simple a child can put anti snoring chin strap on Comfortable and reliable fit, even in a the roughest of sleeps. Low priced - An affordable price for any buyer High of Comfort - No squeezing your head in that uncomfortable way, blocking blood circulation or causing discomfort in the neck area Safety - Produced from a high grade neoprene Adjustable - Thanks to its special clasp, our bandage is a one-size fits all product! Our snore stopper fits for men and women How to use our Anti-Snoring chin strap? Tighten the stop snoring bandage around your head, making sure that the wider part of the strap wraps around your chin, while the other half wraps around the back of your head. Ears should be located within the strap. Once fixated properly, it will push the chin forward to open air flow. Guaranteed to remain fixated jaw supporter on your head, no matter how much you’ll toss and turn in your sleep. If improperly or loosely fitted, the bandage may not properly fixate the jaw, thus leading to unintended or ineffective results. How does Anti snoring chin strap work? Snoring is the direct result of soft tissues vibrating around the hard palate. During sleep these muscles become relaxed, closing off the nasal passageways, and as a result, restricting airflow through the nose. Keeps muscles in the upper throat open, thus allowing airflow in the mouth and arresting any vibrations in the hard palate. Usage ways is unlimited Prevents muscles from stretching, thus opening air flow through airways Keeps the soft back palate from sinking, eliminating any vibrations that may cause loud rumbling snoring noices Reduces swellin in the nasopharynx Eliminates teeth squeaking during sleep