This Portable wood tables are made with high quality wood. The same goes for portable aluminum tables, which are made with alloy 6063-6082, UNE 38-337-82 compliant. This portable tables feature open end panels on one or both sides of the couch. Some models can be adjusted in height by a button release system , and is Fire-resistant Class M2 artificial leather, EC compliant, has a Breather hole and bung included as standard. It also has a Foam thickness from 3 to 5 cm and density of 25 kg. Paper roll holder included. Some models are equipped with a table leveller, Adjustable fittings to lift the sections of the couch , Dust protective cover is included as standard and a 3 year guarantee.