Sofa bed with polythene-coated electrowelded meshbase. Spring mattress (140x210x12cm) Constructed in high resistance cold rolled steel tube and with a frame complete with bayonet filings for easy mounting of various parts (arms-back-face board). Seat cushions made of polylatex covered with compacted, aged hollow fibre polyester. Back cushions in feather mix. Suspension system formed by crossed elastic bands. Front opening mechanism for automatic stowing of cushions. Metallic feet. Totally removable cover.