The Sunbrella company is famous for making stunning fabric for awnings, marine, boats, furniture, and just about anything outdoors. Their material is sold by the yard for curtains, boat canvas covers, and crafting. In our store, we break Sunbrella into a few simple groups. Here are some links to help
AWNING WEIGHT: Waterproof and tough as nails.
FURNITURE WEIGHT: Mostly made of the same fibers as awning, but not a tight of a weave. okay to get wet but not always waterproof. (Link)
SLING: A PVC weave for chairs that don't have foam cushions. (LINK)
SEAMARK: A PVC + Sunbrella awning fabric laminated together to make a product so strong it will last the most epic of events. (LINK)