Calligaris - Basil Swivel Home Office ChairBasil swivel chair, with a metal frame and a polypropylene seat backrest with a leaf shaped design. Using cutting edge materials, such as steel tubing and polypropylene, has allowed us to achieve a durable, lightweight and ergonomic chair that is design savvy. The chair shape, which evokes a basil leaf, thanks to the central nervure, becomes at the same time the structural and decorative motif of this product. The swivel chair may be raised or lowered