Vestil Add-A-Level Anti-Fatigue PlatformsRaise workers to an optimum ergonomic height. Constructed from a heavy density polyethylene resin which is 100% recycled. The flow through grid design permits liquids and small scrap to drain away. Also good for use as storage platform to keep products off wet floors. Add on units come standard with vertical connectors to allow units to be stacked and locked together. Many different configurations available, contact factory. Add A Level Anti Fatigue