Ridge Roll Dry Bags 30L Features 100% waterproof roll bag, all seams are electronically heat welded Water tight roll closure with self-fastening webbing and quick release buckles Securely mounts using 4 custom aluminum G-Hooks and webbing straps Tri-max 1680D ballistic nylon bottom panel for durability Adjustable padded backpack straps are optional Metal D rings to attach other roll bag or luggage Made from waterproof and durable 24oz Tarpaulin PVC UV Coated outer material cleans easily and prevents slipping or marking Easily mounts to Motorcycle, PWC, and snowmobile Dimensions Main compartment: LxD 48.0 x 26.5 cm Holds approx. 30 Liters Assembly instructions