The reason why Black Swan underwear is so expensive is that Black Swan underwear is very high-end, and it adopts a boutique model. Black Swan chooses manufacturers that are OEMs for international bra brands. In terms of craftsmanship and quality, No less impressive. So it's very expensive. At the same time, Black Swan bra has more than 100 patented technologies, covering health and comfort, improving breast shape and other aspects. The positioning is different, and the quality is very good in all aspects, so the gap is relatively obvious, and the price will naturally be very expensive. The retail price of Black Swan bras is uniform across the country, with a 15% discount for three or more pieces. There are no other low prices or discounts of any kind. Do not buy fakes for the sake of your own health.