Gender:Girls and Boys Shoe upper material: Closure Type:Slip on Style:Casual Fashion Package content:1 Pair Shoes(Not Including shoes box) Size chart: Size:15 Insole Length:14cm/5.51 Recommended age:18-24 Months US:7 UK:6 EU:23 Suitable for: Size:16 Insole Length:15cm/5.91 Recommended age:2.5-3 Years US:9 UK:8.5 EU:25 Suitable for:Toddler Size:17 Insole Length:16cm/6.30 Recommended age:3.5-4 Years US:10 UK:9.5 EU:27 Suitable for:Toddler Size:18 Insole Length:17cm/6.69 Recommended age:4.5-5 Years US:11 UK:10.5 EU:28 Suitable for:Little Child Size:19 Insole Length:18cm/7.09 Recommended age:5.5-6 Years US:12 UK:11.5 EU:29.5 Suitable for:Little Child