Key features:

- Hook and loop saddle attachment firmly keeps bag connected to your bike
- Low-profile seatpost attachment prevents bag from swinging while riding
- Internal pockets securely hold credit cards and valuables
- Loop on face of bag easily attaches clips for rear lights
- Zippered expansion allows for extra storage space
- Light and robust material holds up to elements without contaminating contents
- 105 cu. in. (1.7L) capacity - 142 cu. in. (2.23L) capacity when expanded