Cozozn Baby Boy Slippers Socks Winter Warm Toddler Boys Slippers Combed Cotton Newborn Boys Rubber Non-slip Sole Anti-Slip Baby Kids Socks Home Shoes, Grey, 6-12 Months

Size Chart:
6-12 Months = 3 UK Child = Foot length: 4.72"/12 cm = Label 20/21
12-18 Months = 4 UK Child = Foot length: 4.92"/12.5 cm
18-24 Months = 5 UK Child = Foot length: 5.51"/14 cm = Label 24/25