Silicone Cap Silicone cap to support inverted nipples Nipple suction, nipple protector, inverted nipple, suction Regarding set discounts! If you buy multiple items, we will discount the shipping fee! Most products include a shipping fee of about 200 yen! Therefore, the discount will be as follows! [Summary Discount Details] 2-piece set: 200 yen off the total 3-piece set: 400 yen off the total 4-piece set: 600 yen off the total The more you buy, the better the deal! If you wish to purchase a set, please comment in advance! We will create a dedicated listing for you!