Workhorse rack trunk * Product Material: 600 denier nylon * Product Weight: 1.40 lbs. * 5-point rack attachment for stability * Buckle rack attachments more secure and durable than Velcro * Bungee cord top for jacket storage * Expandable main compartment * Reflective details * Light loop for rear blinky * 2 zippered side pockets * Rear water bottle holder