Material: Nylon 77%, Spandex 23%; Imported. Breathable and durable medical grade fabric. Instructions for use - Please select the appropriate compression grade with the advice of your doctor, then choose the correct size according to the size chart from the left images. - Our 30-40 mmHg graduated thigh high compression stockings are tight by design and may feel tighter than regular stockings and require more effort to put on or take off. This is normal, as they need to fit tightly to work. Graduated compression technology - Medical grade 30-40 mmHg thigh high stockings for women and men provide graduated compression: 100% pressure at the ankle, decreasing gradually to calf (70%) and thigh (40%). - This compression helps improve blood circulation, keeps leg muscles and veins properly compressed, and promotes circulation in the lower legs. - Reduces pain and swelling and provides maximum comfort and support. Recovery and treatment - A natural way to manage leg pain, reduce swelling, stimulate blood flow, and prevent blood pooling in the extremities. - Speed muscle recovery. - Can help treat varicose veins, shin splints, edema, and DVT. Suitable for severe swollen venous insufficiency, moderate lymphedema, DVT, or posterior venous syndrome. Daily use - All-day wear medical support hose for women and men. - Top band with silicone points stays in place; high-elastic fiber is delicate. - Suitable for nursing, diabetes, pregnancy, or standing all day; provides all-day comfort, reduces muscle cramps, and re-energizes tired legs. - Also a thoughtful gift for Father’s Day, Mother’s Day, Christmas and other holidays.