20-30mmHg - Firm Compression Pantyhose ①Helps prevent and relieve moderate to severe varicose veins (also during pregnancy) ②For post-surgical and post-sclerotherapy treatment to help prevent the reappearance of varicose and spider veins ③Helps in treatment of moderate to severe edema or lymphatic edema ④Helps with the management of active ulcers and manifestations of post-thrombotic syndrome (PTS) ⑤Helps relieve superficial thrombophlebitis ⑥Helps prevent orthostatic hypotension (sudden fall in blood pressure when standing) ⑦Helps prevent deep vein thrombosis (DVT), also known as economy class syndrome Suitable for Many People It is suitable for long-distance travelers,office workers, teachers, and professions which require extended periods of standing, sitting, or walking,sufferers of tired or swollen legs/feet,treatment of varicose veins. Specification Material: Nylon Spandex Color: Black, Beige Size: S, M, L, XL, 2XL; Please reference to the size chart from product images. If you are in-between sizes it is recommended that you choose the larger size for the best fit. Package: 1× Compression pantyhose 20-30 mmHg