HIGH QUALITY MATERIALS ? Our funky student children socks choose cotton of premium quality. The high quality combed cotton is soft and thus gives your kids a comfortable feeling. It is also skin friendly. VARIOUS TYPES ? We have different size as well as color of student children socks that suitable for different age grades from 3 to 12. Our product size is generally divided into three levels, the shoe size and age suitable for your kids are: M: Suitable Shoe Size: US 3.5-6 / 3-6 years old, L: Suitable Shoe Size: US 6.5-9.5 / 6-9 years old, XL: Suitable Shoe Size: US 10-13.5 /9-12 years old. HEALTHIER SOCKS ? The feet back part of our socks are specially sewed to offer a venting area. With venting part, the breathability is further improved and can protect your kids? feet better. CUTE AND FASHION ? Pursuing lovely things is the nature of every kid, and our sewed in cute color could perfect fulfill their needs. They will be confident and happy when having outdoor activities or home parties. 100% SATISFACTION — LifeWheel strives for customer 100% satisfaction.