DescriptionMade of premium material, this kind of snorkel mask set has a breathing tube with dry technology, so you can breathe freely underwater. Ergonomic shape, more close-fitting, better sealing, I believe it is what you need. Don't hesitate!Features- Material: PC, Silicone, PVC, Tempered Glass.-Note: The color of the air tube is random.- Skirt and strap come in soft, supple silicone, which molds to the shape of your face for comfortable fit and watertight seal.- Dry tops design keeps water out, the snorkel features both an anti-splash guard and a closing valves.- Our mask has a wide-angle lens made from tempered glass. Mask incorporates anti-fogging technology to provide a clear view of the ocean.- Ergonomic mouthpiece designed to reduce jaw fatigue for maximized comfort.- It will make your snorkeling, free diving experience much more enjoyable.