About size:▶1. From eyebrow to chin,if less than 14cm,pls select size S/M,more than 14cm，pls select size L/XL.▶2. Face width:Less than 12cm,pls select size S/M,more than 12cm,pls select size L/XL.Any questions,please check with the seller. :)Note:▶All dimensions are measured by hand, there may be 1-3cm deviations.▶The mask is equipped with a mount but it is not shown in the PIC.▶For GoPro camera, For GoPro camera Waterproof case and screw are not included.    

FEATURES:

180°PANORAMIC VIEW FULL FACE DESIGN - It all comes together into one piece, so you can breathe easily without holding anything in your mouth. This updated 2017 version offering 180°superior views over traditional mask or snorkel sets, guaranteeing that you will see more colorful fish and reefs super than ever before.

 Free TO BREATHE - With this snorkeling mask the breathing experience is totally different. You’ll not worried about breathing at all. Our 2-in-1 mask and snorkel, take in the outer air from the upper part of the mask by the connected snorkel and exhale the gas from the lower area which just breathing through the nose or mouth as naturally as on land.

ALL DRY SNORKELING TECHNOLOGY - This full face snorkel mask is designed with an integrated float ball to block the opening, then stops salt water from getting into your mouth and prevents gagging when you diving down, that’s no trouble to pop back up and breathing again. Environmentally soft silicone material ensures a high seal and comfort your face makes the snorkeling safe and comfortable.

UPGRADED ANTI-FOG LENS - For viewing a more clear and Colorful underwater world, the full face mask features anti-fog coating and create the innovative breathing chamber provides streamlined airflow to eliminate fogging, spend less time worrying about fogging, and spend more time enjoy the snorkeling.

Anti-Leak Design- Prevents water from coming in when you go below the surface.

Water drainage- The bottom purge valve on the mask can drain water when the head is raised.

GoPro Camera Compatible-With our integrated GoPro Mount you can easily attach your GoPro camera.

EASE OF USE - This is the easiest snorkel mask you've ever used. It is easier to handle with the full face design, no special preparation and skills are needed perfect for beginner or water lovers! By the way, If you aren't fully satisfied with our products, you can just contact us, we will provide A 6-MONTH OF FREE WARRANTY AND PROFESSIONAL CUSTOMER SERVICE TEAM serve for you.

Specification:

Material: Premium Quality Silicone + PC

Color: Black, Blue, Pink, Green
Package Height: 4.57 x 11.26 x 13.86 inches
Weight with package: 601g
Net Product weight: 557g
Size: S/M , L/XL 

Packing Included:

1x Snorkel Mask

1x Storing Bag

1x User Manual

1x Earplug 

Note: 

1. Not for Children under 36 months of age!
2. Children and inexperienced swimmers must use the device under adult supervision.
3. Maintenance method: Before and after each use, be sure to clean out any sand or any particles and detritus that may have been trapped inside.