No um they're  well in the sense that these are all the options available for you. I'll explain to you the complexity and the cost thing again a bit later.
Yeah.
Okay um then there's um how the case actually looks. It can actually be flat or it can be curved , um and then the different types of materials that you can use , um I don't think you can use them in a combination , um but um
Mm-hmm.