Rashguard, Surfing Wear, Board Wear manufacturer / supplier in China, offering Liquid Silicone Portable Foldable Snorkel for Swimming, Snorkeling & Free Diving - Comes with Storage Case, Compact & Lightweight Foldable Roll-up Silicone Wet Snorkel with Case for Adults Key Features, Auto Anti-Choke, Anti-Back Flow & Splash-Proof Full-Dry Snorkel and so on.