The anti-slip properties prevent slips and falls on hardwood floors and smooth surfaces, and the soft bottom keeps little feet protected while ensuring healthy foot development.Size Chart: Size(cm)11Outsole Length:11Advised Age:0-6 Months12Outsole Length:12Advised Age:6-12 Months13Outsole Length:13Advised Age:12-18 MonthsSize(inch)11Outsole Length:4.33 Advised Age:0-6 Months12Outsole Length:4.72 Advised Age:6-12 Months13Outsole Length:5.12 Advised Age:12-18 MonthsNote:Please choose the size, the age is just for reference.Because of factors such as display pixel, so there may be a little color difference.Because of the different measurement methods, there may be 1-3cm of the allowable range error.Package Includes: 1 Pair Baby Shoes.