Cotton,Spandex,Nylon.Machine Wash.MATERIAL:82% Cotton,15% Nylon and 3% Spandex.Knee High Socks & Full Foot Grip Pattern are the Key Features to These Unique Designed Socks.Strong Grips at the Bottom Covers the Whole Foot from Heel to Toe.These Knee High Socks are Perfect for homes with Slippery Floors and Children who Crawl, Walk and so on.Nice Thickness and Flexible Fibers:These are really so adorable.Breathable and light,Perfect match to many flower baby-girls,pageant and other special occasion dresses.Four SIZE: 6-12 Months,12-24 Months3-5 years,6-8 years,Vibrant colour, soft to skin, great for casual and fancy costume.Machine Wash.