4PM is a chaise longue designed by British designer Chris Martin for the brand Massproductions. The chaise longue was designed with the starting point of creating high comfort from hard material. 4PM has a design language filled with curved and flat parts and is designed for the best possible comfort. The chaise longue comes with a leather headrest that has an adjustable height and is elegantly placed on top of the backrest with a steel weight.

4PM is available in several designs.