Quantity: 1 pair Size: 18-19 (actual inner length 11.5cm) 20-21 (actual inner length 12.5cm) 22-23 (actual inner length 13.5cm) 24-25 (actual inner length 14.5cm) 26-27 (actual inner length 15.5cm) It is recommended to choose the inner length of the shoes according to the baby's foot length +0.5cm 1.Perfect for Summer: Wearing breathable baby shoes in the hot summer will be good for your baby's feet 2.Good breathability: Fly knitting upper for high breathability that allows kids little feet to stay cool and dry. 3.Comfortable: These breathable shoes are specially designed for babies. It is made of soft silicone and pure cotton material. It is safe and harmless. The soft material ensures the healthy development of the baby's feet. High-quality craftsmanship, pleaserest assured to use. 4.Non-slip: The non-slip design helps babies learn to walk. The sole is covered with silicone material in all directions to help the baby stand up. 5.Easy to stand: The back heel is highly wrapped for easy standing.