Gough Plastics make some good gear, and some that are
truely Shithouse*
I haven't seen one in the flesh, but I'd say it would last well and be UV resistant. They have been going in Townsville for years making gear for cane harvesters and composting loos for National Parks. If their stuff was rubbish they would have closed up years ago.
*http://www.gough.com.au/dump-ezy/default.htm
*http://www.gough.com.au/hts/commercial/