1. Soft and flexible not easy to deform 2. lines toe design fashion and full 3. Double - design light and - 4. Material: EVA+Rubber 5. Sole thickness: 4cm Size chart: Size:17 US:10 EU:27 UK:9 Suitable for:Toddler Insole Length:16CM/6.3 Size:18 US:11 EU:28 UK:10 Suitable for:Toddler Insole Length:17CM/6.7 Size:19 US:12 EU:29 UK:11 Suitable for:Little Kid Insole Length:18CM/7.1 Size:20 US:13 EU:30 UK:12 Suitable for:Little Kid Insole Length:19CM/7.5 Size:21 US:1 EU:31 UK:13 Suitable for:Big Kid Insole Length:20CM/7.9 Size:22 US:2 EU:32 UK:1 Suitable for:Big Kid Insole Length:21CM/8.3