These leggings will tighten your legs just by wearing them. Get sleek, beautiful legs while you sleep. You'll get hooked on the feeling of tightness. You'll be amazed at how refreshed your legs feel the moment you take them off. These are authentic products purchased at Costco. They are size L. They will be shipped without the outer box, taken out of the bag. If you are concerned, we can ship them as is if you pay the difference in shipping costs. Please refrain from purchasing if you are overly sensitive to this. Please understand that these items have been stored at home. Thank you for your understanding.