Traditional Culture Encyclopedia - Travel guide - Is it a waterproof bag for traveling to Sanya in April? Is it useful?

Is it a waterproof bag for traveling to Sanya in April? Is it useful?

Waterproof waist bag capable of diving

Paudrat gong

A waterproof wallet that can soak in water will do. You can play with any mobile phone, wallet, license plate, etc. And motorboats, boating and surfing are not problems.