SIlca Mattone Saddle Pack The SIlca Mattone Saddle Pack is a water-resistant, ultra-compact seat bag that attaches to the rails using the BOA(R) Closure System. It features a unique zipper design allowing it to be accessed while on the bike, or to open like a book when removed from the bike for easy access. This saddle bag is ideal for cyclists who are looking to carry a spare tube, CO2, Multi-Tool, and some cash in a discrete, water-resistant package. The Internal divider holds ID, credit card or cash while also protecting your tube from your multi-tool! FEATURESExterior Sleek black finish with reflective graphics Interior Hi-contrast red material with separate ID, credit card or money flap Interior Volume Holds one inner tube, one CO2 cartridge, one tire lever (all of these components are sold separately and are not included)BOA(R) Closure System with open guide release on Hypalon retaining strap YKK Aquaguard(R) zipper keeps your riding essentials secure and safe from the elements Outside Dimensions: 13cm x 8. 5cm x 5. 5cm Volume: Approximately . 61 LStrap Measurements: 27cm x 4. 5cm | Silca | Mattone Saddle Pack Black