900D Recycled Polyester. A bag designed to be your reliable companion for all your heavy-duty tasks, with multiple pockets to keep everything organized. ClimaBlocâ„¢ durable water repellent (DWR) coating. Generous open compartment can be secured using middle strap with metal hook. Easy access open slash pockets; three on front, one on either side. Extra pockets inside to secure smaller items. Durable webbing handles with hook & loop hand wrap.