Rear bag with backpack function. The MODULAR BAG SYSTEM allows for expansion with additional carry-on bags and quick and easy assembly and disassembly thanks to the hooks. Four tension straps ensure the stability of the carry-on bags. Permanent access to the main compartments, waterproof and removable inner pocket that can be completely removed or doubled to keep contents separate. Additional insert pockets available in 20 liters or 30 liters. Key features: Duraflex® buckles and Tri-Glide adjusters, aluminum alloy hooks, YKK® AQUAGUARD® zippers with TPU sliders, 3-way adjustable roll-top opening, under-passenger-seat attachment, 4-point adjustable shoulder straps. Included in delivery: 4x G-Hook loop connections, 2x central connection strap, 2x left G-Hook connection straps, 2x right G-Hook connection straps, 1x shoulder strap, 1x waterproof inner bag. Width 27.0 cm Features waterproof Main color gray Height 44.0 cm Length 18.0 cm Pack volume 20.00 l Secondary color black Type/kind Item Design rear bags