This larger version of the DynaPack® offers space similar to a TrunkBag but without the need for a carrier, and features an expandable top section for storing a helmet, boots or other large items. Molded from rigid EVA foam and 600 denier polyester for a sleek, aerodynamic shape, the bag has a divided main compartment and one zippered compartment. The lightweight aluminium exorama is equipped with a quick-release bracket that attaches to seatposts from 24.5 - 34.9 mm. Other features include a comfortable carrying handle, 3M™ reflective tape and a tail light clip for added safety. Division: divided main compartment, one zipped pocket Volume: 9.7 L Material: 600 denier (extremely water repellent and dirt resistant) Fixing: QR clamp (Fixer 7) suitable for round seatposts ø25,4 - ø34,9 Load capacity: 4.5 kg Insulation: moulded EVA foam Dimensions: 45 x 24 x 23.3 cm Weight: 720 g Additional info: expandable top, carry handle, 3M™ reflective strip, tail light clip * 3M™ is a registered trademark of 3M Company.