I have the Rhino Liner, i love it. As far as brightning a faded liner. I have a spray i got from my Rhino dealer designed just for these liners. Kind of like Armor all, but it wont make your liner slippery. Mine still looks new though (7 months, lots of loads and a salty winter. ). Ditto on being careful with the over the rail spraying. If they dont mask it good, it looks pretty nasty. Always check out the dealers previous work regardless of what brand you go with