Key Features Cast Aluminium - The frames of these outdoor dining chairs are supported by premium cast aluminium with sturdy triangular structures, which are all-weather, rustproof and fade-resistant. Therefore, they will show you the outstanding durability and stability for outdoor use. Besides, they are lightweight for easy movement. Ergonomic Design - Compared with the chairs with flat seats, these all-weather patio chairs are designed with ergonomic curved seats that bring a sunken sitting fe