Actually, you don't have to buy a parent-child costume. You can customize it directly online, choose a unique logo of your home, give it to the store, and then tell them the size they need to make it. The clothes you make fit perfectly.
And it looks unique and won't collide with others, because parent-child clothes generally represent their own family. It will be embarrassing if you collide with others while walking on the road. This will not happen if you customize the pattern yourself.
Even if my mother is fat, these custom-made clothing stores have clothes of various sizes, which are sure to be worn.
But don't choose those thin parent-child clothes, because then my mother will feel compelled to wear them, but don't choose those thin parent-child clothes, because then my mother will feel very uncomfortable to wear them, and she can clearly see the flesh on her body, which is ugly to wear.
In fact, mother and son wear the same color clothes, much like parent-child clothes. They don't have to buy exactly the same clothes. Mothers and children will have more choices to wear clothes of the same color, and they can choose clothes that are more suitable for them, so at this time, mothers can choose slim clothes.