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