NIB - Baby Three YAYA Little Mischievous Bag Blind Box One random blind box. It is a plush keychain series from the brand Baby Three. The blind box contain a surprise lightly scented Yaya character plush keychain. The keychains are soft and have a clasp for attaching to a bag or keys. The product is also referred to as "Yaya's Little Naughty Bag" or "Yaya Little Mischievous Bag Plush Pendant Blind Box". Total of 9 styles, 8 regular styles and one hidden style.