Anyone know where I can find replacement cushion for a 2007 Shawn Conway Tiverton Collection,...?

In amazon.com you can find replacement cushion for a 2007 Shawn Conway Tiverton Collection.All the distinctive style you expect from Sean Conway, ruggedly crafted with outdoor-safe materials and a Mediterranean-inspired, sunshine-infused attitude. The handsome collection includes a dining table and dining chairs with matching swiveling rocker armchairs for relaxing and chatting through hot summer days and cool starry evenings. Collection also includes a 9’ market umbrella and matching base. All frames are durable steel gray–finished aluminum; table has ceramic tile inserts; chair upholstery is beautifully woven weatherproof olefin with polyurethane foam/polyfiber fill. Tiverton 2007 Gazebo sold separately. Each piece in collection sold separately.