Premium, soft and lightweight anti-slip design, keep your baby safe easy to put on or take off Size 0-3 Months=Sole Length 4.13"/10.5cm;Size 3-6 Months=4.52"/11.5cm;Size 6-12 Months=4.92"/12.5cm;Size 12-18 Months=5.31"/13.5cm Return or exchange is free Estamico baby shoes is professional for 0-18month.Not suitable for walking baby. High quality canvas and cotton material,Soft, lightweight and anti-slip sole is well-crafted to make walking feel natural, is the best choice for your babys' first walkers.