【Soft Material】Our baby non slip sock is made of 78.9% cotton, 19.3% nylon, 1.8% spandex, lightweight, skin-friendly and breathable. shoes sole is made of natural rubber, which is anti-skid and wear-resistant. Great flexibility and comfort though. 【Non-slip】Exegawe Baby cartoon slip-on sneakers design with non slip sole, avoid sliding slipping, keeping baby comfortable when they walking or bouncing. 【Anti-collision Shoe Head】Our toddler anti skid socks adds rubber shoe head to protect infant's toe from injury. 【Occasions】Our baby socks shoes suit for indoor/outdoor, suit for all seasons, Perfect for baby walking, playing, crawling and going out. Easy On and Off. Cute cartoon design will make your child fall in love. Hand washable & machine washable. 【Size Information】CN Size 21/12.6cm, suit for baby's foot length 4.5"-4.7", suggest for age 6-12 months;CN Size 22/13.2cm, suit for baby's foot length 4.7"-4.9", suggest for age 12-18 months;CN Size 23/13.8cm, suit for baby's foot length 4.9"-5.2", suggest for age 18-24 months; Pls choose the size according to baby's foot length, age just for suggest.