Is the Regular Silo not enough for you? This big one is about as big as most bikes can handle. Specifically designed for the Jetboil Flash cooking system. Run it up front in conjunction with regular Silos, or run it like any other feedbag. Three attachment points for the 3/4" webbing strap. Foam spacers to allow for cable routing.
Materials - Dimension Polyant XPAC VX-21 waterproof fabric exterior. (Slightly heavier VX-42 for Multicam) Yellow nylon pack cloth interior. Foam cushioned between fabrics.
Specs - Main body 7.5" tall, 5" diameter. Cinch top extends 3" at the top.