One-piece shell in polypropylene reinforced with fibreglass using two-shot injection technology. 4-leg frame in chromium-plated or satin-finish steel, with jointed feet. One-piece shell in polypropylene reinforced with fibreglass using two-shot injection technology. Chromium-plated steel sleigh frame. One-piece shell in polypropylene reinforced with fibreglass using two-shot injection technology. Swivel aluminium frame, fixed or on castors. One-piece shell in polypropylene reinforced with fibreglass using two-shot injection technology. 4-leg frame in solid beech, natural varnished or white lacquered.