SIZE:
With your mouth closed, measure the distance between the bridge of your nose and the bottom of your chin:
If it measures less than 12 cm (4 3/4""), choose size S/M
If it measures more than 12 cm (4 3/4""), choose size L/XL

YOOCOOL Snorkel Mask would like to introduce you into a new vivid sea world. If you hate breathing through a tube in your mouth, had suffered gag reflex or sore a sore mouth from biting on a traditional snorkel. The new freebreathing snorkel mask will change your experience! The silicone mask insert provides a comfortable fit with no pressure points found on other masks. All the material is non-toxic and environmental, which can prevent skin allergic or other skin problems caused by original materials.

WIDE FIELD OF VISION
1.180 degree
field of vision and shatterproof polycarbonate window for added safety.
2.Easy breathing
Full mask for natural breathing through the nose and/or mouth.
3.Anti-fogging
Exclusive breath ventilation concept prevents fogging.
4.Impermeability / seal
Dry Top snorkel system stops water entering through the top of the snorkel.
5.Water drainage
Purge valve at the bottom of the mask to drain water when the head is raised.
6.Easy dressing
Adjustable elasticated textile strap does not pull your hair out.
7.Visibility
Snorkel top can be seen from 4 times further away than a traditional Snorkel.
8.Swimming depth
Reminder: Surface mask, not suitable for free diving.

Adult snorkellers on the surface of the water, (2 sizes, S/M for slim faces and L/XL for large faces). See and breathe underwater just like on dry land!

• YooCool 180¡ã FULL FACE DESIGN- You can breathe through your mouth or nose with this mask and have no mouthpiece to put in your mouth. The innovative full face and ball system design makes it free breathing when you are seeing underwater.
• EASY TO USE-This snorkel mask fits for all swim newbies without any swimming experience, people can enjoy snorkeling who even cannot swimming when pairing with life jacket. For diving lovers, this snorkel mask can solve the tired which people need to bite breathing tube for long time and inconvenience of guttation outward, saving physical strength and enjoying snorkeling better.
• ANTI-FOG and ANTI-LEAK DESIGN- There is nothing worse than dealing with a mask that is constantly fogging up. Our innovative design features a separate breathing chamber that creates an airflow away from your main viewing visor that helps eliminates fogging and will keep you snorkeling longer.
• Elastic Fabric Head Strap : Easy to wear ,hair won't be tied on the strap.
• Generally, S/M is for women and teenagers,L/XL is for men or woman with long face.You can choose the sizes follow the sizing chart.

YooCool 180¡ã FULL FACE DESIGN- You can breathe through your mouth or nose with this mask and have no mouthpiece to put in your mouth. The innovative full face and ball system design makes it free breathing when you are seeing underwater.Yoocool