Trix is a seating system designed by Piero Lissoni and produced by the brand Kartell. Consisting of three different elements linked together by elastic bands that, through an easy rotation movement, make it capable of transforming and adapting to different uses. Trix can be an original pouf for two, it can become a comfortable bed, a comfortable chaise longue on which to relax or a cosy armchair. It is made of polyurethane foam with a removable cover in three-dimensional weave technical fabric, available in various finishes.