Osprey Ultralight DrySack 12L Made from ripstop Nylon, the Ultralight DrySack range has been designed to keep your gear protected no matter how wet it gets. This ultra-lightweight packable DrySack is rated IPX5, waterproof non-submersible, for any adventure that takes you to humid, wet or sandy destinations. It's perfect for travel, giving you a compact solution for day trips at your destination, or providing an extra bag for souvenirs on the return journey. It allows you to pack your bag for better organisation, operation and comfort. Use it to keep wet clothes separate from dry clothes, to keep dirty clothes separate or to protect valuables. This means you can customise the use to however suits you best. It is made with bluesign approved main body fabrics, which are GRS-certified and 100% recycled. All DWR treatments used are made without PFAS.