1. SOCCER field, 2.UV resisted, fireproof, water drain, low heavy metals ... , 3/8" ,140s/m 14700density,2mm backing. The artificial grass has good quality which can be use for sport yards ... ,Cd,Cr,Hg, 4 colour yarn seemed emulational like natural grass.Easy to installation, need not infill any rubber & sand ... straight & curly yarn construction surface, make the yarn stand-up soccer grass football