Lightweight and water-resistant, this roll-top bag is designed to help you stay hydrated on the trail and during outdoor adventures. The durable ripstop construction is woven with regenerated fibres and features an EVA padding that works as insulation and padding - the stored items keep cool/warm longer and are protected from impact damage.18L capacity2 pocket inside for storing bottlesBuckle roll-up closureAdjustable strapTaped seams to keep water out