Infant Toddlers Boys Girls Summer Beach Tassel Sandals First Walkers Shoes by FEITONG Size11CM(US 2.5): Length 11CM; Inches 4.7"; Age 1~6 Month Size12CM(US 3): Length 12CM; Inches 5.1";Age 6~12 Month Size13CM(US 4): Length 13CM; Inches 5.5"; Age 12~18 Month Shoe upper material:PVC; Sole material:Rubber Soft material makes baby feel very warm and comfortable