LACOFIA baby T-strap sneakers were designed for babies from 3 to 18 months. great as babies' crib, crawl, prewalker, first walking shoes. The LACOFIA baby sneakers made with high quality soft synthetic leather upper and soft lining to ensure all-day comfort. Anti-slip soft sole supports balance for new walkers and promotes healthy foot growth. Hook and Loop closure make these shoes easy to put on and take off, also keep the shoes securely on your child's feet. Classic and Stylish T-strap design, A lovely gift for he/she happy crawling or first walking. LACOFIA Baby Shoes Size Guide For a growing baby, making sure get the right shoes size is important. please choose our size guide carefully: General Age(Mo.)--Insole Length--Foot Length 3-6 Months----------------11.0CM--------10.0~10.5CM 6-9 Months----------------11.5CM--------10.5~11.0CM 9-12 Months--------------12.0CM--------11.0~11.5CM 12-15 Months------------12.5CM--------11.5~12.0CM 15-18 Months------------13.0CM--------12.0~12.5CM General Age(Mo.)---Insole Length---Foot Length 3-6 Months----------------11.0CM----------10.0~10.5CM 6-12 Month----------------12.0CM----------11.0~11.5CM 12-18 Months-------------13.0CM---------12.0~12.5CM Please note that the "Recommended Age" is for just for reference,please measure baby's feet to match the shoes length.