Anti-embolism stockings accelerate blood flow and reduce clotting by applying continuous pressure to the legs. They are used to prevent edema after cardiovascular surgery, in bedridden patients, and before and after childbirth. They have a belt at the waist and wrap around the entire leg. They have a colored yarn knit for size control. There is an observation window on the toes for monitoring. It is recommended to use them under a doctor's advice. Composition: 75% Polyamide, 25% Elastane