Industry leading UltraMax fabric with maximum UV protection. Mounts to luggage rack, backrest or passenger seat with quick release and self-fastening straps. Large lower and smaller top divided storage compartments. Wide top loading main compartment. Front pocket folds down to also easily access main storage. Zip-down divider in top section converts entire bag one massive compartment. Additional 3in. expansion section for extra storage. 3 generous outer pockets for quick access items. Fully lined interior with rigid construction. Solid floor panel to prevent sagging. Carrying handle for easy transporting when off the bike. Heavy-duty lockable zippers with pull fobs for use with gloves. Reflective piping for increased visibility. LIFETIME warranty and waterproof rain hood included. Main compartment: 14.5in. L x 11.5in. W x 13in. H 35.5 Liters. Top compartment: 14.5in. L x 11.5in. W x 5in. H 13.5 Liters.