Materials: Canvas Color: Green, light pink, deep pink, red, blue Package Includes: One pair of shoes Size 11: Recommended Age 3-6 Months,sole Length 4.52",sole width 1.77" Size 12: Recommended Age 6-12 Months,sole Length 4.92", sole width 1.96" Size 13: Recommended Age 12-18 Months,sole Length 5.31", sole width 1.96" The size is measured manually, so there might be some slight differences. Please compare the size chart with your baby shoes and choose the best-suited one!