Topeak Fastfuel Dry Bag II

Amazon

Aerodynamic, weatherproof top tube bag for storing nutrition for easy access on the go Can be attached by strap or direct bolt-on to the top tube Made from waterproof TPU material Capacity 0 8 Litres Lightweight at only 112 grams

Blacks

Bolt-on or strap mount compatible.Key Features:Capacity: 0.8 LAttachment: Bolt-On / Strap MountMaterial: TPUSize: 25.6 X 8.1 X 5.3 CmWeight: 116 G