... -50DSPECIFICATION: 50(+_2)mm high, PE yarn, monofilament yarn 14300dtex, 3/8" ,140s/m 14700density,2mm backing. The artificial grass has ... resisted, fireproof, water drain, no element of Pb,Cd,Cr,Hg, 4 colour yarn seemed emulational like natural grass.Easy to installation ...