... glass, biochemistry glass, tempering glass, plexiglass acrylic(plastic and transparent 5) The color of plywood board for optional :brown, red ... adjustable flexibly.3.fire resistant and high capacity with the stand aluminum alloy,6082-T6.4.various types, disassemble, foldable ... the stage:Performance, outdoor or indoor concert, party, wedding, exhibition display, ceremony , sale promotion, meeting andn