The Basil Miles Trunk bag carries up to 7 liters of gear and easily straps to any rear rack. Included handles and detachable shoulder strap allow easy transport off the bike. Polyester material is IPX 3 waterproof to keep everything dry. External pockets and elastic straps allow for easily accessible storage options.Internal roll top liner and zipper lid closure. Removable shoulder strap included. Item Specifications: Number of Compartments, 3, Primary Material, Polyester, Color, Black, Access Style, Zipper, Defined Color, Black, Volume, 7, Waterproof, Yes,.