The 3-column Pier System 133 by HAY is a versatile storage solution designed by Ronan and Erwan Bouroullec. The system is made of lightweight aluminium and steel and uses minimal components. It has an easy-to-assemble, flat-packed design that can be reconfigured to suit different spaces. Pier System 133 has several different configurations that can be combined or changed as needed. Its flexibility allows it to be adapted to different rooms, including living rooms, bedrooms and offices, to meet different storage needs.