Family of 4 different small armchairs with shell in one-piece  frame with steel insert and flexible, cold-expanded polyurethane  foam. Seat frame in curved poplar plywood padded with  polyurethane foam. Covering in 100% polyether thermally  bonded onto a polyamide velveteen backing.  Base in rectangular-section steel frame, with black epoxy  powder coating. Fabric or leather upholstery, customized  for each chair. The fabric version only is fully removable  by zippers and Velcro fastenings.  Seat depth 42cm.