100% cotton knit material. Pants are not included, but it's recommended to use them with leggings. It has a nursing opening, making it easy to use for those who want to relax after giving birth. ★Please note that I will be away during this three-day weekend (11/22~) and will ship next week ⚠️ ※There are some wrinkles from being stored after washing, but the condition is good. ※Used for about a month after giving birth this year, and washed with unscented detergent, so there is no fragrance. ※Retail price: 9900 yen for the top and bottom set.