The Calla chair features upholstery with self-extinguishing polyurethane foam/heat-bound polyester fiber with elastic strips suspension. Fixed internal nylon cover. Removable external fabric or leather cover. The external body is covered with cowhide 95, combined with a fabric or leather interior. The base can be specified with castors (wheels) or fixed with feet which also alters the height of the chair. Other configurations are also available, please call the hive showroom to specify.