LAZAR - Only fabric version is removable, sofa bed not available. Frame made of wood, coated with polyurethane and composite resin-bonded fine velvet. The suspension system features elastic belt springs coated with acrylic fibres. Mechanism to adjust seat extension and back height at the same time. frame with chrome feet available. Down-blend version: seat and back cushions are filled with a mixture of down and staple and foam.