Stackable platform anti-fatigue drainage matting starter platform stackable anti-fatigue platform mat features a flow-through grated surface to raise employees off wet, slippery floors and help promote safety. Platforms are capable of building out horizontally and up vertically for a completely modular ergonomic work height. Made from heavy-duty molded plastic components, geared toward ergonomics, designed to accommodate the 250 pound individual, they are a perfect fit in the harshest manufacturing environment. platforms measure 2-5/8h. Starter platform includes rubber feet and is easily connected to additional starters for side-by-side installation using optional poly clips sold separately.