Size: XS Insole Length: 11CM/4.3 Recommended age: 0-6 Months US: 4 UK: 3 EU: 19 Suitable For: Infant Size: S Insole Length: 12CM/4.7 Recommended age: 6-12 Months US: 5 UK: 4 EU: 20 Suitable For: Infant Size: M Insole Length: 13CM/5.1 Recommended age: 12-18 Months US: 6 UK: 5 EU: 22 Suitable For: Toddler Size: L Insole Length: 14CM/5.5 Recommended age: 18-24 Months US: 7 UK: 6 EU: 23 Suitable For: Toddler Size: XL Insole Length: 15CM/6.1 Recommended age: 2-2.5 Years US: 9 UK: 8.5 EU: 25 Suitable For: Toddler Features: Material: Made from good quality material that is comfortable and breathable durable enought for your daily wearing. And it is very soft comfortable stretchy lightweight and conforms to your skin. Design style:Kids boys girls fashion shoes plush shoes indoor home warm and cute cotton shoes.