Make sure that the skirt of the mask is made from silicone and purchase a mask with wide peripheral vision. Choose a no fog lens to enjoy a crystal clear view during your underwater adventure. The mouth piece is usually the one that raises a lot of problems when it comes to snorkeling. One of the most common problems is the uncomfortable fit of the snorkel. First timers usually find this piece of equipment incredibly annoying because of a strong gag reflex. If you choose to use a snorkel tube make sure that the mouthpiece sits comfortable in your mouth and it should not feel like it is pulling. Also, remember that you will only be able to breath through your mouth so make sure you exercise a few breathing techniques before starting your adventure. Here are some of the great advantages you can enjoy if you choose to try a Full Face Snorkel Mask: 1 There is absolutely no learning curve, you just put it on and enjoy the experience; 2 It’s perfect for both beginners and pros; 3 A great way to introduce snorkeling to kids; 4 Offers far wider and clearer visibility with the 180 degree angle screen; 5 Keeps water away from your face and more important, your mouth; 6 The built in snorkel tube is a hi-tech, dry snorkel; 7 Is equipped with a drain valve that drains water automatically when you resurface; 8 Doesn’t fog up, thanks to the dual air flow ventilation system. Package included: 1 x Full Face Diving Mask 1 x English User Manual