"Comfortable : Round toe design make kids feet more flexibility, all day comfort and support. Our girls have no complaints about wearing them all day long and so happy. Number of yards; Size 26-35Sole; Rubber materialSize 26: 17CM inner length/suitable foot length of 16.5cm---Size 27: 17.5cm inner length/suitable foot length 17cm---Size 28: 18CM inner length/suitable foot length of 17.5cm---Size 29: 18.5cm inner length/suitable for 18cm foot length---Size 30: inner length 19CM/suitable foot length 18.5CM---Size 31: 19.5cm inner length/suitable foot length of 19cm---Size 32: inner length 20CM/suitable foot length 19.5CM---Size 33: 20.5cm inner length/suitable for foot length of 20cm---Size 34: 21CM inner length/suitable foot length of 20.5cm---Size 35: 21.5cm inner length/suitable foot length of 21cm---