This item is new and unused, but my child has outgrown it. Please consider that it has been stored at home for a long time. Size: 12m, 8kg-10kg i play. Swimsuit for boys with a cute design and diaper function. It has a cool design, but also includes a diaper function! You don't have to worry about diapers even when playing in the water! It is functionally designed so that babies can play comfortably and enjoyably in nature. i play.'s swimsuits with diaper function won the gold award for Best Swim Nappy at the 【2016 Loved By Parents awards】. It has an absorbent layer that absorbs urine. It is a product that is kinder to the earth and parents than disposable diapers.