... ,NBR,NR 3.antifatigue,to protect gra Playground Safety Hollow Rubber Grass Mat,Durable Heavy Duty Rubber Grass Mat1.feature:anti-slip,oil-proof ... pave grass-surface,kitchen,hotel,workshop &door Playground Safety Hollow Rubber Grass Mat,Durable Heavy Duty Rubber Grass MatItem NO: GM0404ASize: 1020*1020*13MMWeight ...