Waterproof inner bag The waterproof inner bag is included equipped with the ION S tail bag. However, an additional inner bag can be purchased later as needed. Waterproof inner bag ideal for ION S tail bags Included in delivery 1 × Waterproof inner bag Details Material: 210D polyamide Surface: PU coated Color: black TotaL Weight: appr.0.1 kg / appr.0.2 lb Total Volume: 15.0 L Installation Instructions