The quality of this is amazing. These are by far the best quality and best feeling nylons I've ever had. And I've had quite a few. They just feel amazing on and amazing to touch. They alone make you feel sexy. The lace feels good... not scratchy.
What makes me a true fan of this type of nylon is that they replace thigh highs (which ALWAYS will slip down) and garter belts (which while very sexy, are a trick to do for every day). These are sexy as hell.
There are just two drawbacks I found with these. They run too tall. I constantly am tugging them up because the garters are too long. It made wearing them to work or anywhere a bit of a problem since my dresses all stop above the knee and the tops of the stockings would show if I crossed my legs or when I sat down.

Putting them on takes a little time, so you are not putting the stockings on inside out or turned around which then causes the garters themselves to twist. It takes a few minutes. The best trick is to take them off carefully and fold them, so it's easier when you put them back on again, and always make sure you have it situated right before you do put them on.

There is a back seam on the belt so you can figure out easily what is front and back, but keep in mind as you are holding them up the stockings are dangling and moving back and forth and around in a circle. It's sort of like a mobile! I found that putting the belt on first and then getting each leg in a stocking, at least to the knee helps to make sure they are on properly before you get them on all the way.

I also like that they are SO much more attractive to wear than traditional pantyhose and also more convenient to use if you need to go to the bathroom!