Outsole Material: Rubber Lining Material: Cotton Fabric Feature: Lighted Color: pink red black white NOTE: The "US size" here is not the same US size in America! Please choose right size according to your foot length or insole length!! Before you buy these shoes, please try to measure your kid's foot length as below: Tips: 1) Usually,the size you need=insole length=foot length(heel to toe)+(0.5 - 1)cm 2) Please select the correct US# size according to your insole length by the Size Chart as below 2) If your child's foot is fat and wide,please select a bigger size. 4) If you don't know how to select,let me know the foot length of the child. Please choose the right size. All shoes will be shipped with bubble bags,no boxes !!!