The effect of resistance exercise (or weight-bearing exercise) in elastic belt is similar to that of using dumbbells, but when using it, you can find a place to fix your belt, you can step on it, or you can find a strong place to tie it up and hang it.
The advantage of this stuff is that it is easy to carry around.
This is a kind of strength exercise, which must be combined with aerobic exercise to achieve good results.
What to wear? Harmonious sportswear