Osprey UL Dry Sack 3

"The UL Dry Sack 3 from Osprey is the ideal solution for anyone who values efficient and waterproof organization of their equipment. With a volume of 3 liters, this ultra-lightweight pack sack offers enough space to store important items safely and dryly. Made from robust nylon, the Dry Sack is not only durable but also sustainable, as it is made from Bluesign-certified and 100% recycled materials."
"Thanks to the waterproof roll-top closure and coated seams, the UL Dry Sack 3 offers reliable protection from the wet and meets the IPX5 standard u2013 perfectly for outdoor adventures where you need reliable protection from the rain. The rectangular shape allows for efficient storage in your backpack, and the practical D ring makes it easy to dry or attach the bag to your equipment"
"Osprey has focused on innovation and sustainability in the development of the UL Dry Sack 3. As part of a coordinated packing system, you can customize and optimize your luggage. The Dry Sack is available in different sizes and colors, which also allows you to organize your luggage by color and keep track of it."