where can you buy plastic swing seat feet grips or caps that go on the bottom
Mainstays Garden ---Customer Service 1-877-539-7436 for swings and replacement parts
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.
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.
FashionTIY
A balancelle is a garden seat in the form of a swing.
You can get one at kmart replacement swing Canopy.
Look at the underneath of the swing or on a label for the manufacturers address. Send them the request.
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
Ebay
metal part to a wodden bench that connects the seat to the sides
Call 1-877-539-7436 they have them in stock for 50 dollars. At home depot