You can purchase a canopy swing cover and a seat for canopy swing model RIS423 at a shopping mall in you area.
If you want a canopy for your swing seat you should check out amazon.com. They got a large inventory of different models and colours on their canopy swing seat.
A seat replacement for a canopy swing can be purchased with the manufacturer in most instances. If the canopy swing is still under warranty, the replacement may be covered by the company.
Try an awning place or a fabric store.
You would have to contact the manufacturer of the canopy swing and they would be able to give you a list of places that carry it. You could also call companies like Lowes and Sears.
You can get one at kmart replacement swing Canopy.
That's easy. Your best bet is Swingcushioncovers. They make all styles of canopies for the outdoor patio swing and they use Sunbrella fabric so it won't fall apart in a few years like the original fabric. Gardenwinds is also a good choice. They guarantee a fit or your money back! They also use a fabric that is 30% thicker than the manufacturer's original.
Mainstays Garden ---Customer Service 1-877-539-7436 for swings and replacement parts
You can buy the canopy replacement and new cushion cover for your swing at swingcushioncovers.com. They have several fabric choices. They use only Sunbrella brand fabric which comes with a 10 year warranty. Buy a durable replacement. They original fabrics all fell apart too quickly, but this is a nice frame. They cushion for the Walmart two seater they make a slipcover so you won't have to disassemble the frame. The make most Walmart patio swing models. Check out their website. AT DICK'S SPORTING GOODS
A consumer can purchase a replacement swing seat for a kids swing set at a variety of department stores such as Walmart and Target, or directly from the manufacturer via the internet or telephone.