This listing is for 1 unit. Firm compression helps relieve discomfort from chronic tired, achy legs, more pronounced varicose veins, and moderate ankle swelling. Massages as you move. Ideal for being on your feet or sitting in one place all day, traveling, or active office work. Use for tired or achy legs, swelling, mild spider and varicose veins. Ideal for standing or sitting all day, traveling or active office work. Graduated compression helps improve circulation.