Amazon is selling the medium size BV Bicycle Strap-On Bike Saddle Bag/Seat Bag/Cycling Bag for just $6.15 for Prime members only. Free shipping.
- For a safety ride – 3M Scotchlite™ reflective trim & Taillight hanger
- Perfect size for all your essential items with Mesh pocket and key clip
- Strap-on mounting design makes bag be secured in place
- Medium can expand for more capacity need
- Great quality guarantee & limited product warranty included