Light weight, completely waterproof and exactly what you expect of an Ortlieb product in other ways, as well. Hauling gear in the frame pack helps keep the center of gravity down. - Max. load: 3 kg - Spray proof roll closure with three silicone stripes - 100% waterproof Nylon fabric, 100% waterproof seams - Completely PVC-vree - Rugged Velcro tabs - Reflective logo on both sides - 5 year guarantee for flaws in materials and manufacture - Made in Germany - Also suits carbon frames