BikeHard Aero Road Seat Bag Black/BlueBikeHard Aero Road Seat Bag designed with hidden zipper for a more water tight closure. Aero design to just fit under a racing seat. Long enough for most essentials. Extra tough 600x600D Polyester material with PVC coating keep your contents dry and safe. Scotchlite piping for Reflective safety. The zippers are enclosed for a neat look and a water tight fit. Velcro seat rail straps are designed for easy mounting on any seat. Available in Black/Black, Black/Red, Black/Blue.850228007240