How to choose the size?
Fristly,Measure the length from the Eye to Chin.
If the length less than 13.5cm ,Choose size S/M. (Suitbale for Junior and Adult Woman)
If the length equal with and more than 13.5cm,Choose size L/XL(Suitable for Adult Men)

• Easy Breathe: This full face snorkel mask makes breathe underwater via nose and mouth as easy and natural as you do on land.
• Top Dry System: this full face diving mask prevents water entry when submerged.soft safe silicone seal around face, leakage can be drained off by the drain valve via lift head
• Anti-fogging: this full face swimming mask has different chambers for inspiratory and expiratory to prevent breathe fog from messing up vision field
• Seaview 180: this full face snorkeling mask has wide and clear window with 180 degrees of vision field to make you have a great clear panoramic view.Easily and clearly see what's around you in water.
• Elastic fabric strap: this full face snorkel mask has adjustable and comfortable elastic fabric strap,easily pull on face,won't pull hair

Easy Breathe: This full face snorkel mask makes breathe underwater via nose and mouth as easy and natural as you do on land.Efanr