Made by 85% Cotton and 15% Polyester,high quality materials make socks soft,breathable, stretchable and durable, with good hygroscopicity, wick sweat away from skin to keep skin cool,dry and light,and also avoid odors. Suitable for spring,summer,autumn and winter.eliminate the need to sort and pair-up, suit for kid’s sandals, boots, sneakers, running shoes and dress or formal shoes. the eclectic designs of sassy socks can be worn with casual jeans, school uniform, or party outfits. 10 pairs cute design with dinosaur pattern kids socks, perfect gift for your children. machine washable, no deformation and not fade easily. Size :4 to 7 Years Old length :5.9 inches -7.48 inches. 8 to 12 Years Old :7.48 inches -9.05 inches. Comfortable and fashionable,roomy elastic cuff and Y heel design, prevent shifting and falling off.reinforced heel and toe in high impact areas for extra durability and protection.