Originally Posted by
Mitsu3000gt
Use 303's UV protectant products on the fabric and you shouldn't have any issues. We used it on our boat covers/vinyl, lawn swing covers, patio umbrella covers, etc. and they all looked like new even after years in the sun. If you don't want to have to maintain anything, then deck box, or ideally both.
What's worse IMO is wet/dirty cushions that everything sticks to, like leaves and other backyard debris. For that reason I would use a deck box anyway and just take them out when I wanted to use it.