Two mounting systems included - a rack/sissy bar adjustable strap system easily attaches bag to your motorcycle's seat, luggage rack, or sissy bar. A side zip sleeve will also slide over your sissy bar for quick attachment, or slide over a roller bag handle for carry free transport Two external pockets, one can be filled into the main bag compartment to easily keep your clean items separate from your dirty items, will also fit most helmets Front facing thin pocket Strap ends include our unique keepers system which eliminate the need for cutting after the bag is installed Constructed with UV-, water- and weather-resistant 600 x 600 D Polyester printed Rain Cover sold separately. BACKREST BAG DB3100