The Top Snorkel is a modern, small snorkel, designed specifically for kids. The tube is made from a transparent, contoured and flexible material. The quick-release, techno-polymer snorkel keeper system allows height adjustment for comfort. The top end of the tube ends with a semi-dry splash guard to prevent water from entering the tube even in rough water. The angled 100% high-quality silicone mouthpiece is designed for extreme comfort even during extended use. The Top Snorkel has a large internal elliptical one-way purge valve at the bottom for improved drainage. Splash-Guard Keeps Out Wind Chop and Spray. Large Internal Elliptical Purge Valve. Easy to Clear Design. Quick-release allows height adjustment for comfort.