(as of Jun 16,2021 01:43:42 UTC – Details)
1. The top is all dry type water retaining valve, automatically close to water when water entering.
2. Head fixed valve in the middle, can the breathing tube from shaking when swimming.
3. The whole tube is in the snorkel mode, the tail can the water accumulated during use.
4. Wonderful equipment for swimming training, practicing, snorkeling, etc.
5. 2 diffeent colors for you ...