Here's the deal:
As a one person cottage industry,
I have concluded the best way to do this is to break skins down into 4 sizes.
If one of the dimensions is over, you go to the next size.

Medium: Notebooks, Ipads, Kindles, Nooks and the like--8" x 10" and under
$15.95, postage included

1. Measure the area of your device you want to cover with the skin.
Measure only the flat area, don't go out to the curved area,
or the skin will pucker at the corners.

2. Click on the "Add to Cart" button with the right size.

3. In the PayPal description box, give me the dimensions and I will print it out to the size you want. Maximum: 10.75" x 16.75".

I print the skins on matte plastic with an adhesive backing that peels off without leaving any residue.