Dry Top Hay Tarps are made using 7 Oz. HDPE polyethylene materials. The Silver/Black material is highly reflective and constructed using black yarn for maximum durability. Each dry top hay tarp has a 14 x 14 fabric weave and is 216 g/sm. UV treated, Rope reinforced, hemmed edges, double stitched corners, brass eyelets and heavy-duty nylon webbing loops.