These Midwest Dual Height Portable Stage Platforms are easily adjustable from two different heights to allow easy conversion from performing stages to seated risers. Units fold to store in less than 2" in height when stacked. Constructed of heavy gauge steel and laminated plywood core decking for unsurpassed safety and durability. Available in 3x4, 3x6, 3x8, 4x4, 4x6, and 4x8 with carpet, hardboard, and polypropylene decks.