Although the top and bottom can be worn separately and are cute, this is a set. It's labeled 9-12 months, but it runs large, so my child wore it from when they started walking until around 2 years old. Mint green hooded romper, size 9-12M. - Brand: H&M - Size: 9-12M - Color: Mint green - Design: Hooded romper Thank you for looking.