The 27′ by 30′ machinery tarp has 4 rows of D-rings on all 4 sides and a grommet row along all 4 sides. This tarp is waterproof and rot, UV, and oil resistant. It is made out of heavy-duty black vinyl-coated PVC material tarp material that is 20 mil thick and weighs 18 oz per square yard. The hems are reinforced hems with rope and webbing. # 4 Brass grommets approximately every 24″, and we box stitch the 2″ stainless steel D-ring. Our D-rings come with a wear flap; 18 oz vinyl material has a cold crack of -40°C. Tarp Weight: 160 lbs, located in London, ON. The tarp is made by Verduyn Tarps. It had a small hole that I repaired. Pick up only.