Nelson-Rigg Expandable CL-85 Sport Tail Pack Large expandable side pockets for smaller items Mounts with universal adjustable hook and strap system Can also be used as a tank bag with optional magnetic mount kit or strap mount kit Can connect to our saddlebags with optional strap kit Top quality UV-treated Tri-Max ballistic nylon Highly reflective webbing Lined interior Maintains its shape even when empty Adjustable shoulder strap can be use as a tether strap Fail safe heavy-duty zippers with pull fobs Protective material to hold the bag firm without slipping or marking bike 100 waterproof rainstorm cover Lifetime No Hassle warranty Main compartment is expandable and can hold most full face helmets Main compartment measures 14L X 13W X 10H / 14L X 13W X 13H expanded Holds 29.83 Liters / 38.78 Liters expanded