Adults Full Face Snorkelling Mask - Four Colours & Two Sizes Available

• The dual-tube breathing mode makes it easier to breathe when snorkelling
• Using K2 one-way (outer) circulatory breathing separation to prevent carbon dioxide from entering the human body and causing accidents
• Unique breathing system, mechanical separation of exhalation and inhalation
• Optimized lens shape enables clearer visibility and a wider field of view
• 360° rotatable snorkel, support backstroke
• Double-tube breathing mode to avoid blockage, leakage or choking of the single breathing tube
• Made of PC and silicone, non-toxic and environmental
• Adjust the length of the headband in order to ensure comfort and secure fitment
• Adjust dual respiratory tubes specific to the angle range required to submerge into the water
• Special Attention: After wearing, do not rush or jump into the water. At first, check whether the mask is secured before use and test in the water. Please have someone accompany you before submerging into the water
• The scuba mask is not applicable for free diving or scuba diving. Please carefully read instructions before use to ensure safety and enjoyment
• Do not remove the internal anti-fogging film of the snorkelling mask, otherwise, it will influence your snorkelling experience
• Material: PC, silicone
• Both the S/M and the L/XL have the same dimensions, the difference is that the L/XL has a thicker lining of silicone in it 

Dimensions:

• Mask (H): 23.2cm
• A breathing tube (L): 37.2cm

Size guide: The size is measured from the bridge of your nose to the base of your chin

• S/M: fits for 10-12cm
• L/XL: If more than 12cm select size L/XL