Thank you for your interest in the St. Kitts 5-Pc. Modular Set in Matte Black Aluminum (166567_MBL). Our Aluminum furniture is designed to be exceptionally strong and virtually weatherproof. It is crafted from high-purity aluminum that's especially durable yet lightweight enough to move around your outdoor space with ease. With each piece cast in its entirety and finished with hand-filed welds, there are minimal opportunities for rust, so it will hold up for years to come.