The 15' x 15' roofer tear off tarp is made of super heavy-duty 40 Oz. black vinyl material that includes extra strength, 2" cross-weave webbing for greater load capacity. The distinctive design is perfect for removing debris and trash off roof top projects. the high strength webbing is fitted with heavy steel O-rings that is sewn into the ends of the webbing. This is a great tarp for construction sites. Simply load, attach a clevis hook and lift. Please note: The 15' x 15' tear off tarp is not to be used as a lifting sling. It is intended only for debris removal.