75% Nylon, 25% SpandexHandwash only??Best Gifts Idea For Your Friends And Family---Please Check Size Chart??? ZIPPER COMPRESSION SOCKS FOR MEN AND WOMEN - 15-20 mmHg gradient zipper compression socks can compress the ankle to the greatest extent and gradually reduce the pressure on the lower leg. This decrease in pressure can reduce the venous return of the lower extremities and effectively relieve or improve the pressure. The segmented pressure promotes a more comprehensive flow of our blood cells.? HIGH QUALITY WORTH YOUR EVERY PENNY - To prevent deep vein thrombosis in patients with long-term bed rest . For standing for a long time, sitting and heavy physical work, the compression socks can reduce the discomfort of the lower limbs and prevent varicose veins of the lower limbs. For people who love beauty. Medical elastic stockings also have the function of shaping beautiful legs, to prevent the fat on the legs from being pulled down, and even have the effect of thin legs.? THREE SIZE AND PROFESSION DESIGN - 75% nylon, 25% spandex use High-quality nylon and spandex fabrics, comfortable and breathable fabrics, durable performance, to provide strong durability. And each pair of socks includes a strong high-quality zipper to ensure a snug fit. Will help promote air circulation to improve performance, three sizes can meet most people's choice.A beautiful life begins with compression socks.? MOST AMAZING AND GREAT GIFTS - Standing for a long time: teachers, traffic police, shopping guides, beauticians, doctors, nurses, etc. People who sit for a long time: IT staff, white-collar workers, civil servants and other office workers stand or sit for a long time: Due to muscle fatigue and gravity, the blood flowing to the lower leg is not smooth, and the increase in blood viscosity leads to lower limb vein disease.? BEST WISHES AND ALWAYS BLESSING - our company hope zipper compression socks will always be by your side. Any dissatisfaction is guaranteed a 100% refund, please rest assured to order. Your satisfaction and good health are our top priorities. We believe you will choose itIf you have any questions, please contact our customer