As the surface of the vegetable-tanned leather is artificially coated, it reacts to light like human skin and gradually discolors over time, more so in the case of bright colors.

Alcantara is an aesthetically, technically and sensually avant-garde material produced through eco-friendly processes. Alcantara is a highly durable and stain-resistant composite material containing 68% polyester and 32% polyurethane. Its appearance and touch are similar with suede. It is one of the high-quality materials mainly used for steering wheels, seats, dash boards and other covers in automobiles.