Brand New. Package Never Opened. Missed return window so these need to go. 100% Nylon See SIZE CHART available above. Pregnancy leggings for women. Helps during pregnancy with leg swelling, varicose veins, blood circulation, post surgery and knee replacement, post phlebectomy, leg pain, venous insufficiency, blood clots, DVT and after sclerotherapy. Maternity compression pantyhose relief during prolonged bed rest (such as after surgery) sitting for long periods (such as on a plane) to reduce overall clotting risks. Compresssion tights for pregnant women elastic compression stockings, provides maximum strength, and durability.