Cotton Color: White+black Hand Wash Only 1.Mommys careful love to your babys feet with these thin mesh toddler/little kid socks. 2.Soft,comfortable,cute,anti skid,good elastic,smooth touch. 3.This socks is a good match to baby and kid's summer shoes and also most sneakers, boat shoes, loafers, etc. 4.Keep kids' little feet comfy and fashion in these solid color socks. 5.There are 4 sizes, Size S, Suggested age 1-3 Years; Size M , Suggested age 4-6 Years; Size L , Suggested age 6-8 Years; Size XL , Suggested age 9-12 Years.