Bag has a tubular steel frame to offer superior strength and durability Bag lid compresses against the arched steel frame to ensure a tight, gap-free seal to keep out moisture and weather Features two drink holders and quick-access pockets to keep important gear at your fingertips Made from Tarpaulin, a superior-grade, waterproof, mold- and fade-resistant material Storage capacity: 4,300 cu. in.. BAG EXPEDITION CARGO BK