I posted pics of mine in this thread:
I bought the raw materials from www.xpel.com,
but you can buy the pre-cut (save time, spend more money) from them or others such as stongard, invinca-shield, macNeil, etc. To the best of my knowledge, they all use 3M's Scotchcal material. Different distributors may use different sheet thickness.
If you're careful, installation is not that hard. Just carefully follow the instructions given.