530 ml large capacity to keep kids hydrated through the day. Adorable cartoon design and bright colors that appeal to children. Built-in straw for easy sipping on the go. Leak-proof lid keeps contents secure during movement. Adjustable shoulder strap for easy carrying by little hands. Suitable for kids between 3-5 years (and older) who need a fun, safe bottle. Durable construction made from quality plastic for everyday use.