Description It is made of high quality materials,Soft hand feeling, no any harm to your baby Lovely and Charming design available,Make your baby more lovely Gender:Girls Shoe upper material: Mesh Sole material:Rubber Fashion Element:Luminous Closure Type:Lace-up Style:Casual,Fashion,Party Package content:1 pair baby shoes(Not Including shoes box) Note: Insole Length=Foot Length+0.8cm M,Means The Standard Width Please allow 1-3mm error due to manual measurement. If you are not sure which size or other problems,please contact us to make sure you choose correct size. Due to light or display setting,please understand that there may be color difference. Size(CN) Insole Length Recommended Age EU UK US Sutable For 21 13.5CM/5.3" 15-18Months 22.5 5.5 6.5 M Toddler 22 14CM/5.5" 18-24Months 23 6 7 M Toddler 23 14.5CM/5.7" 2-2.5Years 24 7 8 M Toddler 24 15CM/5.9" 2.5-3Years 25 7.5 8.5 M Toddler 25 15.5CM/6.1" 3-3.5Years 26 8 9 M Toddler 26 16CM/6.3" 3.5-4Years 26.5 8.5 9.5 M Little Kids 27 16.5CM/6.5" 4-4.5Years 27 9 10 M Big Kids 28 17CM/6.7" 4.5-5Years 28 10 11 M Little Kids 29 17.5CM/6.9" 5-5.5Years 28.5 10.5 11.5 M Little Kids 30 18CM/7.1" 5.5-6Years 29 11 12 M Little Kids lighting through a built-in one time lithium battery , This shoes is non rechargeable and would malfunction as follows with the increase of usage: 1,the two shoes can not light 2,one can light the other fail to light 3,one is lighter than the other Please note that above 3 issues wont be treated as the quality issue even you come to us ,so before you place the order ,please give a second thought