Deer Mum Baby Boy's Cotton Stripes Socks (8 Pairs) (3y-6y) 60% Cotton,28% Polyester,10% Nylon,2% Spandex Novelty soccer socks,fashionable schook socks Size S : 15cm - 19cm ( 5.90''-7.48'' ) ,US 6.5 M - 10.5 M ,UK 5.5 M - 9.5 M ,Euro 22.5 M - 27.5 M ,advise 3-6 years old kids to wear Hand or machine washed with neutral detergent,8 pairs packaged as picture shows Super soft and comfy, absorb sweat, antibacterial, prevent beriberi Soft fabric,varies ways stole.Any problems,contact Deer Mum freely