1680D Polyester / PVC construction. Durable and built to last.
It's also waterproof: Removable rain-fly with elastic fitting and separate exterior storage compartment.
Includes all mounting straps needed: mount to any seat or sissy bar. Super quick.
External storage features are awesome: store hoodies, jackets, gloves, pets and other loose items in drawstring and external pouch.
Dimensions Zipped: 24 Liters - 15x12x8", 2.1lbs
Expanded: 30 Liters -15x15x8"