Exped Waterproof Bergen Liner 140L BlackThis Bergen Liner from Exped is 100% waterproof and will also protect your belongings from dust and dirt. It has 140 litre capacity and is for a standard sized bergen. The roll top closure with stiffener provides a secure seal and it must be rolled at least 3 times to provide a waterproof seal. Features: Bergen Liner 100% waterproof Lightweight Fits perfectly inside a standard sized bergen Roll top closure with stiffener Roll Closure at least 3 times