b>The Second Generation Snorkel Mask One-piece With Air Seal & Ear Pressure Equalizer for SCUBA Diving What Are The Reasons For You To Choose Our Products ? Effectively Prevent Fogging and Breathe Naturally: The separate Inhaling and Exhaling channels make you breath easier and it has two inner tubes to guide your expiration air directly to the bigger breathing tube, no fogging up in your mask. Ear Pressure Equalization: It is our unique patent design. In deep underwater dives, it is possible to hold your nose and exhale through the nose against the pressure, so you can now dive deeper without ear pain. User Friendly: Airbag design, made with FDA Grade liquid silicone, soft, comfortable and closer to your face, NO LEAKING; BUILT-IN EARPLUGS easy and convenient to use when needed. Product Certifications: Got Safety Quality CE Certificate & SGS Certification, Meet Environmental Standards of RoHS , So you are safety when using our products. Universal Size: No worry about the size anymore. It is suitable for all men, women and children MORE THAN 12 YEARS OLD. Adjustable Elastic Headband: Adjust it without need to take it off. Clear 180° Panoramic View: You'll see way more than you ever have before. Camera Mount: Suitable for any kind of action camera. What's in the Package: 1x Full face snorkeling mask 2.0. 2 x Backup Rubber Rings 1x Mesh bag to dry the mask. 1 x User Manual Warm Tips: If water does leak through the seal around your face, just lift your head out of the water and it will drain through a one-way chin valve