Basico Women's Multi-color Stripe Crew Cotton Socks 6 Packs 85% cotton, 10% spandex, 5% Elastic 6 Packs set Color Type 01 ~ 05: 53% Cotton 32% Nylon 14% Polyester 1% Elastane Multi Rich Colors ,Non-cushion ,Contrast ribbed top Shoe Size: 5-9 1/2 (USA - Women's) Please wash them by hand in cool water and mild detergent. Lay flat to dry. Don't bleach, don't tumble dry and no ironing!