... 3.strong weight capacity 4.waterpfoof skidproof stage board black waterproof and antiskid platform stage detail:Type: stage equipment/ furniture Material ... stage,protable stage,adjustable stage,assembly stage,folding stage,bleachers,layer truss,background truss,speaker truss,LED truss,scaffolding,DJ ... .stage for trade showaluminum stage with glass platform black waterproof and antiskid platform stage