Women's underwear has regular style, no size, tube top, front button/beautiful back, hole cup, vest, etc. The so-called conventional bra refers to the traditional style with shoulder straps, and the tube top is strapless and has no size. The style refers to the one that can be intelligently adjusted according to the chest shape. The beautiful back or front buckle can beautify the back and chest. The hole cups are generally of similar design and there will be many delicate and small holes. The vest is usually similar to sports underwear. In addition to the styles that can be distinguished, thickness, cups, designs, etc. can also be distinguished.