100% brand new and high quality 1.Please measure your baby foot length by ruler first, then pick the correct size according to above size table by foot length. If your baby feet are fat, you can pick one size larger than usual. For Example:Foot Length:14-15cm,Suggest China size22/23 2.The size number marked in shoe outsole is China size number, not European size. Size Inner(cm) Suitable for Foot(cm) 22/23 15 14-15 24/25 16 15-16 26/27 17 16-17 28/29 18 17-18 30-31 19 18-19 32-33 20 19-20 34-35 21 20-21 36-37 22 21-22 products containing: 1*children's slippers Attention: 1. using different monitors, different computers, different angles of photography, there may be angle colour problems. 2. 2. Pure manual measurement, there may be 0-1cm error.