You need to buy a good Kriega drybag if you do multi-day trips with your motorbike. With a dry bag, you get advantages of soft luggage - light weight and compact size - with the simplicity of having a single layer of weather protection (versus rain covers or separate waterproof liners). For more tips on how to choose the right Kriega Drybag, visit our website at https://www.motorradgarage.com.au