New 180° Panoramic Broad View Design + Easy to Use: Improve your visual field from traditional 120°to 180°to let you enjoy exploring the undersea world more with ultra clear cover and food grade silicone for perfect and comfortable fit to your face, and also very easy to use following the user manual advice Dry Snorkel Technology + Anti-Leak: No choking any more even you are a green hand snorkeling. The air hole will be closed when the snorkel tube immersed in water and will just provide a short time breathing for you with the air in the mask, and the air hole will open again once the snorkel tube is in surface of water. (So, don’t use this mask to dive deep into water, it is just a mask and will not work as an air vessel to keep providing your air!) Easy to Breathe + Anti-Fog: Double air-flow channels, separate inhaling and exhaling channels structure(high volume air-flow structure allows 20%-50% more than normal mask) avoids air mixture and fogging issues, more relax exploring the undersea world without odor Portable with Removable Snorkel Tube and Camera Mount: Reduce storage space and easier to take for a trip(bonus: a drawstring bag). 3 Bonus: 1*Camera Mount+1*Adjustable Strap, 1*ROCONTRIP Drawstring Bag, 1*Spare Part Bag (Earplugs/Extra valve/Silcone loop/Screw&Nut for Camera) New 180° Panoramic Broad View Design + Easy to Use: Improve your visual field from traditional 120°to 180°to let you enjoy exploring the undersea world more with ultra clear cover and food grade silicone for perfect and comfortable fit to your face, and also very easy to use following the user manual advice