Perfect for occasional use when a traditional saddlebag isnt big enough supported by a light weight exo frame with quick release fitting to a seatpost mounting bracket key features divided main compartment with 3 individual storage spaces and one zip pocket carrying handle fits 254 to 349mm seatposts hook and loop fastener maximum weight capacity 45 kgs rear light clip and rain cover extra water repellency and resistance to staining 600 denier and eva foam 3m reflective strip