.Mechanism: Manual Extendible with telescopic opening.
.Structure: Metalic fraim epoxy-painted with wood slats.
.Frame: Pine wood and board of particles.
.Seater: 25 kg foam rubber covered with fiber of 150 g.
.Back: 20 kg foam rubber covered with fiber of 150 g.
.Mattress: Foam 25 Kg 185 cm long x 12 cm thick.
.Each dimension could has +/- 5 cm of oscillation.