SIZE: One size fits all socks.Fits women shoes size: US 6-11. MATERIAL: 80% Polyester, 15% Nylon, 5% Spandex, lightweight, soft, warm, thick, comfortable and very cushiony. FUNCTIONAL: Super soft, fluffy relaxing feel comforts and warms feet for everyday activities and even during sleep in fall and winter, very soft and plush feeling. bright colors, also great bed socks; Suit for short, winter boots. Perfect fun slippers for house lounging. you can have fun and mix and match or give one pair away as a gift. Great gift for womens and girls. they are gift-worthy for any occasion, birthday, or holiday. Hint: The heart pair are the perfect socks to wear??or give??on Valentine’s Day!