Beautifulmall 5 Pairs Summer Toddler No Show Ankle Socks Girls Boys Soft Cotton Thin Mesh Infant Baby Socks Toddler Socks Material: Premium thin cotton material, smooth hand touch feeling cool in summer and spring BREATHABLE and SWEAT ABSORBABLE -Perfect for baby who with sweaty feet in spring,summer days.Mesh thin cotton and unique breathable holes design keep feet dry and clean for infant and toddlers SIZE INSTRUCTION - Size S (1-2Year) / Infant US Shoe size 2- 5.5 / Foot length : 4.3-5.1 inches / 11-13 cm; Size M (2-3Year) / Toddler US Shoe size 5- 8 / Foot length : 5.1-5.9 inches / 13-15 cm; Size L (3-5Year) / Toddler US Shoe size 8.5-10 / Foot length : 5.9-6.7 inches / 15-17 cm; Size XL (5-7Year) /Little Kids US Shoe size 10.5M-13M / Foot length : 6.7-7.5 inches / 17-19 cm NICE GIFT IDEA - With high quality and cute design, these toddler socks is great for personal use,also it is good gift idea for chistmas or birthday and so on. Quality Guranntee: 30 days free replacement or issue a full refund.Please do not hesitate to contact us in the first time if there is any problem.We will do our best to meet your request and solve your problem quickly and efficiently.