Skin-friendly Material - These 1 Pairs knit leg warmers are made of polyester elastic fibers. They are soft and comfortable, and can well keep the heat in the calf and bring you warmth throughout the day. Size - Total length: 41-42cm. The leg warmer has a certain degree of elasticity and can accept a maximum upper leg circumference of 55 cm/21.65 inch. One size fits most people. Multiple Occassion - Suitable for various occasions, such as parties, dances, and gyms. Leg warmers can be paired with various clothing, such as boots, sneakers, dance shoes, shorts, skirts. For Washing - You can wash it by machine at 30C (85F) and hang dry. Do not bleach or iron. These leg warmers will keep their shapes after washing. Great Presents - It is a fashionable item that is both elegant and warm. Giving leg warmers as presents to your family, friends, and colleagues will make them feel your warmth and thoughtfulness.