1.2 in 1 snorkel: The rollup snorkel is equipped with both wet and dry features, ideal for beginners or professional snorkeling, to meet various needs, making it an ideal foldable snorkel for diving, snorkeling and spearfishing. 2.Silicone material: The flexible rollup snorkel is made of premium silicone material, soft and comfortable to bite, with a oneway drain valve to reduce pressure and facilitate water drainage for divers. This makes it an excellent snorkel for divers seeking reliability under all conditions. 3.Practical application: Foldable snorkel tube for diving. The float valve closes automatically when diving to prevent water from entering the breathing tube. Once the tube opening is exposed to air, the float valve opens automatically. Without a dry connection, the largecaliber tube opening allows professional divers to breathe more gently. 4.Streamlined design: The silicone snorkel tube is flexible and durable, can be bent flexibly, with a builtin fixing circle for additional comfort and stability. Whether as a spearfishing snorkel or a backup travel snorkel, the ergonomic design reduces jaw fatigue and makes this silicone snorkel ideal for allday underwater adventures.