Ortlieb Back-roller 2x 20L

"These versatile and robust bike bags from Ortlieb are the ideal companion for every bike tour. With a capacity of 2x 20 liters, they offer enough space for all your important utensils. The roll-top closure guarantees that your items are stored safely and waterproof, while the durable, PVC-coated polyester fabric offers additional protection. Thanks to the IP 64 protection class, the bags are optimally protected against splashing water from all directions."
"The Quick-Lock2.1 system enables simple and secure attachment to luggage carrier tubes with a diameter of up to 16 mm. Additional safety is provided by large reflectors that increase your visibility in road traffic. The bags are equipped with a practical inner pocket and a carrying strap so that you can also transport them comfortably off the bikeu00f6n"
"For even more flexibility, the Back-Roller bags can be combined with the Rack-Pack in 24 L and 31 L sizes. In addition, a variety of accessories are available separately, including packing cubes, a commuter insert, a carrying system, an antitheft deviceu00e4t, outer pockets, mesh pockets, bottle holders and various hooks. Please note that the maximum load of 9 kg should not be exceeded in order to avoid material breakage. Regularly check the fastening of the bags and the strength of the screws to ensure your safety."