What Sleep Apnea Chin Strap size do I need?

Measure around your head, from under your chin to the crown of your head going just in front of your ears (above your forehead) and back to the starting point under your chin.
Median Sizes are:
• Small fits where the chin to top of head measurement is around 54cm
• Medium fits where the measurement is around 60cm
• Large fits where the measurement is around 66cm
Further lesser or larger adjustment is available on each chin strap size. The circumferences shown are the medium size for each chin strap.
Sleep Apnea Chin Strap goes over your head and under your chin.