100% CottonQuantity: 20 pairs of socks in each package. which is enough for your childrens daily use and replacement. especially when they lose one of the socks or they get them dirty or wetSpecial design: these socks are black in their main part and other bright colors in the parts of heel and toes. Fashionable and beautiful. The rid knit cuffs are elastic and stretchable. fit well. and feel comfortableMaterial: made of good quality cotton and polyester blend. which is soft and breathable. They are of great elasticity. and they are not easy to slide down. They will not hold you too tight or make children feel uncomfortable. These socks will let your children feel at ease and comfortableAdvantages: enough quantity. soft and of good elasticity. children can wear them in most seasons of the year. like spring. summer and autumn A little dirty can be ignored because of the colorized design. which will help you avoid some embarrassed circumstance They can be regard as gifts for your friends and familiesConvenient and comfortable: Whether walking. running. or playing. these socks makes the activities more relaxing on the feet. and easy to match well with different styles of clothes and shoes the socks come in the same style. reduce your worries about choosing