?4 Pairs of adorable baby slippers / moccs with anti-slip sole. lovely indoor slippers for toddlers. ?Ideal as summer/winter indoor slippers on wooden or laminate floor to prevent skidding. ?Cotton rich socks with artificial leather around sole. ?These little shoes are good for babies who are at walking stage ?Size: Sole length of 4.3in (11cm), approximately fit for baby age 0-6 months, ? Sole length of 4.7in (12cm), approximately fit for baby age 6-12 months , suitable for baby foot 10-11.5cm, shoe size UK 1-3, US 2-4, Europe 17-19 ? Sole length of 5.1in (13cm), approximately fit for baby age 12-18 months , suitable for baby foot 11-12.5cm, shoe size UK 2.5-4.5, US 3.5-5.5, Europe 18.5-21 ? Sole length of 5.5in (14cm), approximately fit for baby age 18-24 months, suitable for baby foot 12-13.5cm, shoe size UK 4-5.5, US 5-6.5, Europe 20-22.5 ?Please select the size according to the length of the child's feet.If the baby's foot is chubby,Suggest choose a larger size. ?Please note that these slippers are good for babies who are at cruising / walking stage. At crawling stage, the slippers may fall off when baby's feet are rubbed against the floor.