Care Taken to the Standards At tombik, we care nothing more than what kids feel about the thing they want or they prefer. Specializing in kids gear-wear for decades, we strive to offer the high-quality and inspiring products with their growth. Every item in our catalog is to meet these fundamental points: Comfort,Durability and Safety. tombik Princess Sandals with Ankle Strap For Her Every Glowing Moment in This Summer Times! Measurement: --Size 13 Little Kid = 7.87 inches --Size 1 Little Kid = 8.27 inches --Size 2 Little Kid = 8.46 inches --Size 3 Little Kid = 8.86 inches --Size 4 Big Kid = 9.06 inches --Size 5 Big Kid = 9.45 inches SIZE TIP: please order one size up if they are in half size or prefer to wear thick socks.