1 play surfaces 2.wonderful flexibility 3.durability 4.low cost 5.enviroment-friendly. ... that may help balance the pH levels in your soil.2.Scope Of Application:General use in Kindergarten, Park, Tennis, Volleyball ... . Specification Colorblack,Red BrownSize0.5-1.5mm,0.5-2.5mm, 1-3mm, 2-4mm, 3-5mmApplicationplaying court,race trackPacking25kgs for each ...