BiKase 2036 Big Poppa Strap Mount Trunk Bag

The Big Poppa is our biggest rack bag for maximum cargo.  It comes with a large main compartment with a seam-sealed liner, making the internal bag waterproof and drop down panniers on each side with expandable top  making this the biggest we know of. RF seam sealed internal liner waterproof zipper on main storage compartment water bottle/drink holder that will fit multiple size bottles bungee net on top for added storage drop down expandable side panniers expandable top shoulder strap included reflective accents Designed to fit most racks  Mounts with Hook and Loop Straps dimensions: 15" x 10" x 8" (with panniers) Fits racks up to 7.5" wide 1600 cubic inches, includes panniers