Check the manufacturer's web site. Lacking that in your question, this is the best information that can be given.
Try searching the internet for the brand name and model number. You could also try contacting Costco and see if they can help you. Better yet, contact swingcushioncovers.com. They make the replacement canopies and cushion covers for all makes of outdoor patio swings using Sunbrella fabric, so it won't fall apart after a few years. They specialize in the Costco patio swing.
Gardenwinds.com
There are a couple of sites that have them. You'll want to compare fabric warranties. No sense replacing it with inferior fabric that won't hold up to the sun and weather.
You can find replacement cushions and canopies for the Costco patio swing model 793809 on the official Costco website or by visiting your local Costco store. Additionally, third-party retailers such as Amazon or eBay may offer compatible replacement parts. It's also a good idea to check the manufacturer's website for specific replacement options.
form_title= Patio Swings form_header= Swing life away with a patio swing. How large is your patio?*= _ [50] How many seats do you what the patio to sit?*= {1, 2, 3, 4, 5, More than 5} Do you want the swing to be free standing?*= () Yes () No
Walmart has to do it.
A good place to start looking for a patio swing would be your local Lowe's or Home Depot. These stores also have employees that can help guide you through installing your new swing.
You should be able to find replacement parts for a patio swing model s05293 in 2 places. One is the store where the swing was purchased. The other is from the manufacturer of the swing.
I justs cut the cushions off the mesh and use the mesh alone. It looks fine and works well. The cushion had gotten moldy and ripped. So anyone who needs a replacement sling or cushion for any Costco patio swing model should visit swingcushioncovers.com. They make their products in California and will sew a replacement canopy, cushion, sling for any make or model.
Mainstays products are sold through Walmart. Walmart customer service may be able to help you find parts for your Mainstays patio swing. If you have the model number for your swing you can also get parts by contacting Courtyard Creations.
Ebay or Amazon