The ergonomic wall is resistant and easy to clean. It incorporates a system of "click" (without need of tools) of easy use to fix the ceilings that they avoid I overturn of the tray, so much in horizontally, since in angle and that guarantee the maximum utilization of the space of the tray. Materials: HIPS (high impact polystyrene) Measures: Width: 390 mm. Fund: 26 mm. High place: 650 mm.