Product details:

Brand: Polaris
Part Number: 2882816
Tunnel bag designed for riders demanding the ultimate in storage. The 46.4L of space allows you to take what you need for a multi-day trip. The two included dry bags ensure that your belongings stay dry for the duration of your trip.
Assembled Product Dimensions (L x W x H):24.00 x 16.00 x 12.00 Inches