Roll that possible to attach to the tubes of the frame, or to the saddle, or to the handlebar. 
A lot of place inside for carrying pump, tools, jacket, etc.

Weight with all straps  130 gram. Volume about 1,5 liters

We put some insulation inside to protect the bicycle and things inside the roll

Make from the Cordura 1000D, Oxford 240D fabric and YKK plastic furniture