Undershirt buoyancy undershirt or swimming ring which is better

Buoyancy undershirt is close to life-saving function.

Swimming laps are toys, for water play, nothing to do with swimming, just the name swimming laps. Just like a wife pie has nothing to do with wives.

Swimming with a buoyancy undershirt is safe and reliable, just a little uncomfortable.

Swimming with a swimming ring is very dangerous, you paddle, the body forward, swimming ring natural backward, when the swimming ring back to the waist, the front part of the body will sink, if not adjusted in time, when the head sinks, the swimming ring on the drift, very dangerous, unless someone to rescue, or else it will drown, and hundreds of people killed every year.

It is recommended to use swimming harness, learn to swim set swimming, easy and enjoyable, safe and reliable.