Full Face Snorkel Mask Ideal for Swimming, Diving and Scuba with eBook Guide. It will provide you a clear view during underwater. The dry top system prevents salt water flushing into mask. You can breathe freely through your mouth or nose while Swimming, Diving and Scuba with its 3 in 1 larger breathing airway. Separate inhaling and exhaling airflow system creates a clear viewing chamber that prevents leaking and fogging. If you buy this bundle you will get Full Face Snorkel Mask, Gopro Compatible Mount, Screw Set, User Manual, Thanks Card, Ear Plug, Carry Bag and Snorkeling Guiding eBook. eBook will be sent via email.