First, the choices for designs- there are so many choices from french, to plain color, to stripes, to pretty design. Here, have a look:
Applying them takes a bit of finess though, first you have to clean your nails of all oils with alcohol wipes.
Next you heat the little strip with this nifty heater or with a hair dryer, either way it works. Then apply the nail strip to your nail and smooth it down with the rubber flat side of a stick (the pink one) as you heat it again to bond it to the nail. Then trim the excess off and put it back on the sheet to be used for another nail.
It takes about twenty or less minutes to do a full set of nails. They also make nail polish and other nail goodies. Linked here is my consultants page and I would suggest ordering from her because she is absolutely lovely and great to work with.