Talis Plus offers not only easily accessible 8 liters of interior storage on your rack, but an additional 7 liter for flexible use, by fold-out side pockets and upper extensionNumerous zippered pockets, mesh pockets, reflector stripes and an included rain cover provide safety and keep your things organizedLarge open interior with multiple mesh and zippered pockets for organized storageCarry handle and adjustable/removable shoulder strap allow easy off-the-bike transportationReflective stripe accents provide additional visibilityCompatible with Racktime 2.0 racks onlyDimensions without expansion: 15 x 9.8 x 10.2`Dimensions with pannier expansion: 15 x 12 x 10.2`Cubic inches without expansion: 488Cubic inches with expansion: 915SnapIt 2.015x9.8x10.2`915 c.i.Black/GreyXXX-Large (700+ c.i.)