FRAME Wood padded with Polyurethane and FiberfillSEAT Interwoven elastic bands; cushions in Polyurethane with Fiberfill and feather BACK CUSHIONS Polyurethane and FiberfillCOVER Not removable fabric or leather (seat and back not available with printed leather)BASE Steel with gun-metal grey finishingOPTIONAL For each seat, indipendent relax mechanism for adjustable seat and back