Silca Mattone Grande Saddle Pack The Silca Mattone Grande Saddle Pack is a water-resistant, compact seat bag that attaches to the rails using the included Hyphalon strap. A BOA(R) Closure System makes for a easy to use and secure closure. 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! Features77 cubic centimeters of capacity can hold 3 tubes, 2 CO2, regulator, tire levers, and multitool YKK Waterproof Zipper Internal pockets for small items BOA(R) Closure System with Hypalon strap for security Dimensions 150mm x 90mm x 55mm | Silca | Mattone Grande Pack Black