Underpants with no trouser marks on the back buttocks: a new generation of underwear with a butt-lifting cut that modifies the fat on the buttocks, naturally lifts the buttocks curve, and shows a beautiful buttock shape. This kind of underwear is more made of lycra fabric from DuPont, with some hollows and unique elastic fiber characteristics.

It is easy to breed bacteria in the closet, and it is easy to harden and damage the elastic band in the sun, so where is it more hygienic?