Medical health care elastic stockings middle tube secondary pressure calf sleeve compression socks nurse swelling anti varicoseVaricose vein stockings are a product that can promote the return of venous blood to the heart. It is a medical device that prevents and relieves varicose veins. It is not an ordinary sock, it is caused by the action and distributes the force, the highest support pressure is established at the ankle, and gradually decreases along the calf, reducing to 70%-90% of the maximum pressure value of the calf, reducing to the maximum pressure 25%-45% of the value In the thigh, this decreasing change of pressure can make the venous blood return of the lower limbs, effectively relieve or improve the pressure of the veins and venous valves of the lower limbs Package contains: 1 pair of compression stockingsProduct Name: High Elasticity 23-32MMHG Compression Socks High Elasticity Medium Tube Thin Legs[product color]: black/skin color[product style]: closed toe / open toe socks[Product size]: S-XXL size[Wearing season]: spring, summer, autumn, winter all seasons[Reminder]: This product is OPP bag paperback