Size chart:Size(cm)0-6 Months: Shoe inner length: 10.5cm，Suitable foot length: 10cm6-12 Months: Shoe inner length: 11cm ，Suitable foot length: 10.5cm12-18 Months:Shoe inner length: 11.5cm ，Suitable foot length: 11cmDue to different measurement methods, the allowable error is 0.5cm, which is not a problem of inaccurate size. The shoe size is not the standard size on the market, so it is recommended for mothers to check the inside length of the shoes.Attention:1) How to choose shoe sizesBefore making a purchase, two important things are to measure the baby's foot length and determine the inner length of the shoes. Our shoes are recommended based on the baby's foot length, so we cannot choose according to the shoe size we usually purchase. The inner length of the shoes is equal to the baby's foot length+(about 0.5-1cm), which makes it more comfortable for the baby to wear. Due to the different growth states of each baby, mothers must measure the baby's foot length accurately.SpecificationsMaterial: Cotton clothColor：As shownPackage Contents1 Pair * Shoes（Without box）"