Feature:

• Dual airflow antifog channel:Ventilating fan design ,Anti-fog , Breathe freely without chewing the breathing tube
• Dry Top Systerm:When in water , the top valve auto closes to prevent waterinflow . 
• Elastic Fabric Head Strap:Easy to wear ,hair won't be tied on the strap . 
• Super Wide Vandal-proof Mask:180 wide angle , ploycarbonate plastic provides safer performance . 
• Drainage Valves:Rasing your head to drain off if water come inside.
• Description :
• Size: S (Inner diameter: 6.69 x 5.12 inch, external diameter: 9.06 x 7.48 inch)
• L (Inner diameter : 7.48x 5.12 inch, external diameter: 9.06 x 7.48 inch 
• Material: Polycarbonate + Liquuid silicone + Medicla 
• Compatiable with: Gopro Action Camera (2pin connector, connect directly),AEE Action Camera (3 pin connector ,need adapter) , Sony Action Camera (1/4 screw connector ,need adapter) 
• Application: Snorkeling Sea ,Lake ,River ,Swimming Pool 

• 1 x Diving mask 
• 1 x Srcew (not include camera)