Compact mesh frame board, fits into small areas. Easy to use, adjustable in height. Matt black legs for extra stability. Surface treatment: powder coating. Thickness of felt: 7mm. Total max height:85cm,7 gears adjustable height. Steam Flow Metal Mesh. Thickening foam+felt: 10mm. Rugged Tube Frame Legs: Dia. 28/Dia. 28/Dia. 32mm. Smooth Binding Edges to Withstand Fraying. Cover Material: Cotton with Felt Underlay.