Easily Attach to Any Regular Snorkel/Dive Mask: The keeper could easily attach to all brands standard dive snorkels/masks/goggles. Quick release adjustable clip easy to clip it on/off a diving mask, allowing movement up and down the snorkel tube, for a comfortable position. Your hair doesn't get tangled as much in this type of attachment between the mask and snorkel. Longer Oval Upper Tube Provides More Air and Breath Effortlessly: A large diameter tube will give you full breaths without making you struggle to catch your breath. The upper tube is curved and comes close to your head, which will prevent drag your mouth. It’s a perfect snorkel for snorkeling, skin diving, scuba diving, swimming etc. Safe for Using: The mouth Mouthpiece is made of food grade Liquid Silicone. It's super soft in your mouth and keep seal.The smooth surface is very easy for clean. Of course, it's replaceable silicone mouthpiece for long time using. Smart Top Dry Valve: The totally dry top of snorkel tube is made of a lever paddle flip rather than a ball floater. When the top of snorkel tube is submerged under water,the smart valve closed quickly and prevent water from entering to the tube. Even waves crash overhead. Breathing Underwarter Free:The full Dry Top Snorkel Tube design. Swimmers can breath freely underwater and enjoy the scenery with confidence. Never worry about choking, and get a bad snorkeling trip. If you'r hunting for a excellent Snorkel Tube, now you can stop looking and EXP VISION snorkel tube is your right choice.Strap Type: Split Strap. Valve Type: Purge. Age Range (Description): Adult. Lens Type: Single Lens. Material: Silicone. Color: Silver. Brand: EXP VISION. Date First Available: December 25, 2020. Best Sellers Rank: #64,116 in Sports & Outdoors. Customer Reviews: 4.6 out of 5 stars 240 ratings 4.6 out of 5 stars. : B08R8XG2JV. Sport Type: ?Pool Lap Swimming, triathlon, Swimmer Training, Snorkeling, Scuba Diving, Freediving, Spearfishing. Size: ?F. Part Number: ?DS-990-1. Manufacturer: ?TOP VISION Outdoor Sports. Suggested Users: ?Unisex Youth Womens Mens Girls Baby. Material: ?Silicone. Color: ?Silver. Brand Name: ?EXP VISION. Package Weight: ?0.2 Kilograms. Item Package Dimensions L x W x H: ?12.6 x 6.1 x 0.79 inches.