Hever Girl Cute Solid Color Knee High Cotton Socks 2% spandex Made of 60% Cotton,28% Polyester,10% Nylon,2% Spandex Size M sole long: 5.9''-7.5''(15cm - 19 cm),sock is elastic Size L sole long: 7.5''-9.1'' (19 cm - 23 cm),sock is elastic 8 pairs packaged,color as picture shows Hand or machine washed with neutral detergent