Soft, 100% cotton. These baby clothes from Akachan no Shiro are size 50, making them easy for newborns and babies graduating from the NICU to wear. As they are from a brand sold in department stores, the quality is good and the items are elegant. There are two, so how about them for twins or for a change of clothes? familiar Akachan Honpo UNIQLO Uniqlo Department Store Miki House