Provides 13.5 liters of storage capacity and straps right between the overhead handles that are integrated into the Seizmik Hybrid Roof Cage System. Zippered panels provide easy access to storage. Stores items securely up and out of the way. Constructed with PVC coated denier nylon for weather resistance with reinforced panels for added durability. Requires Seizmik Hybrid Roof Cage System (16-3799) - sold separately.