Welcome to our store! Item specifics Outsole Material: Rubber Gender: children Upper Material: PU Feature: Lighted Pattern Type: Solid Department Name: Children LED Shoes Item Type: casual shoes Size 25-37 Colors Black/Blue/White/Red Please choose size according to size chart carefully. Thanks for your cooperation. Insole length=foot length+(0.5-1)cm Please choose size carefully,fat feet can choose larger size. US Size 9 =EUR Size 25=insole 16.5cm US Size 9.5=EUR Size 26=insole 17.0cm US Size 10.5=EUR Size 27=insole 17.5cm US Size 11 =EUR Size 28=insole 18.5cm US Size 11.5=EUR Size 29=insole 19.0cm US Size 12.5=EUR Size 30=insole 20.0cm US Size 13.5=EUR Size 31=insole 20.5cm US Size 1 =EUR Size 32=insole 21.0cm US Size 2 =EUR Size 33=insole 21.5cm US Size 3 =EUR Size 34=insole 22.0cm US Size 3.5 =EUR Size 35=insole 22.5cm US Size 4.5=EUR Size 36=insole 23.0cm US Size 5 =EUR Size 37=insole 23.5cm Note 1),Push the switch,turn on the lights. Color of the lights can change Long press the switch,turn off the lights 2),If the lights does not work,try charging. Style 1 :Normal light with 7 colors LED lamps which can be manually switched one by one; Style 2 :White flashing LED light; Style 3 :Automatically switched light with different colors LED lamps; Style 4 :Cyclically rotated flashing light with different colors LED lamps which can be manually switched one by one; Delivery Time: 1.USA, Great Britain, France, Germany , Canada, Japan: usually 7-12 business Days 2.Other countries: usually 7-25 business days. Wish you have a happy shopping!