I used a product called Raptor made by Upol.
It is a ute bed liner and available from most local auto paint outlets. I got it from All Paints in Glenroy Ph 03 93004133 and cost around $140 for 4 litres. It comes in black or tintable to your colour choice.
http://www.u-pol.com/countries/en/do...tor%20tint.pdf