Elastic,Acrylic Pull-On closure Do Not Bleach Soft Material - The cable knit leg warmers are made of acrylic. Comfortable and elastic fabric to keep you warm. Great to use for fashion and warmth with boots or booties. The thick boot cuffs effectively block the cold wind and give you extra warmth. Free Size - Stretchy and elastic, the leg warmers for women can fits most women or girls. Black leg warmers and other colors are nice and stylish for all the cold winter days. Great Value - Fashion long boot cuffs feature with warm and slim are designed for women ladies and girls. A must-have for any boot lovers The winter leg warmer is necessary for the winter season when you go outside. It is easy to match and suitable for any style of clothes and boots. Gift Choice - Womens knee high boot cuffs is simple design but classic and elegent. It can be a birthday, new year or Christmas gifts for friends and family. Stylish and trendy addition to your fall and winter wardrobe. Wide Application - The legwarmers have different colors for you to choose, you can wear the boot socks over bare legs, skinny jeans, tights or leggings without any bulk in your boots. The long boot cuffs is machine washable at cold water. Do not bleach. Hang to dry or flat to dry.