80% Cotton ???SIZE & PACKING??Fits for women shoe size 6-9; socks size 8-11. 2 pairs comes in a plastic zippered Zmart bag. ???MEDICAL SOCKS??Black with Medicine Case, Nurse Uniform, Stethoscopes, Gloves, Medical History, and Physical Notebook; Pink with stethoscopes, pills, prescription bottles, an electrocardiogram, and syringes. ???QUALITY MATERIAL??We use 80% Cotton, 17% Polyamide, and 3% Spandex to ensure that our socks are soft, comfortable, stretchy and breathable. No fading, hold up well in the laundry. ???ALL-PURPOSE STYLE? Eliminate the need to sort and pair-up! Suitable for women??s sandals, boots, sneakers, running shoes, dress, and formal shoes. The eclectic designs of funky socks can be worn with school uniforms, casual jeans, weddings, dress suits, and formal business wear. ???PERFECT GIFT CHOICES ??They can be the perfect gift choice for your beloved ones on holidays, like ??Crazy Socks Day?, Mother??s Day, an Anniversary, Birthday, Wedding, etc. Novelty birthday gifts for your mom, wife, daughter, girlfriend, or sister.