| PU snorkel, environmental protection and ageing-resistant. |
| Food grade liquid silicone mouthpiece, colorless and odorless, ageing-resistant and non-cracking. |
| PU tube end has more water impact resistant and sturdy. |
| Silicone waterstop valve, better watertight. |
| Silicone water valve fit with plastic-steel pipe clamp. |
| With a pair of PPP+TPE swim fins. |
| Durable and 100% leakage-resistant. |