Volume: 0.6 litres.
Can fit a spare inner tube, tyre levers, patch kit, etc.
easy assembly / dismantling
Easily attaches in 2 spots (saddle and seat post) with rip-tab bands.
Zipped closure for easy access to your belongings, even on the saddle.
Very durable materials for a longer lifespan.
Specifically placed to accommodate a light.