These materials that a can take a beating and still look good. Patio and outdoor furniture are organized by materials: Resin, Aluminum, Bamboo, Cast Aluminum, Cedar, Concrete, Recycled Plastic, Stainless Steel, Teak, Wood and Wrought Iron. Choose from furniture made from resin, aluminum, cedar, teak, and more. Cedar crafting requires little maintenance and will remain beautiful with age. Cedar is one of the classic hardwoods that is strong and beautiful.