Fitness self-disciplined people need to bring fitness supplies when going out. This water-filled dumbbell can be carried easily, and only need to be filled with water to reach the required weight.
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This kind of general real fitness does not look up
This is the scene of 2.8 yuan, haha, the sales volume is quite good, everyone is using it.
Commander Wang
Good senior
There are more than 10 products in this scene.
The density of water is too low, and it seems that filling water is not heavy. Can it achieve the fitness effect?
Everything you take out pays attention to portability. Can you make it into a foldable water bag?
I have to work out when I go out. It's too curly.
There is a market
The idea is OK, but I don't know how practical it is.
Good idea
If this water is added, if the material is not good, it will be very low-end
Can customize the weight, ha ha, good