Lightweight metal with excellent mechanical properties. Can be finished by brushing and polishing or by anodizing, especially well-suited for outdoor use. Rust-resistant and scratch-resistant.

Engineering polymer characterised by high mechanical, chemical, and weathering resistance. Suitable for outdoor use. It is a recyclable material that does not harm the environment, widely used for the production of seats.

Leather pieces combined with other materials and binders to obtain a material very similar to real leather. The visible surface is always finished with a solid-colour pigment by the same process employed for real leather.