Xiao2huan via eBay offers this Car Seat Side Bag Organizer
in Red or Blue for $2.55
with free shipping
. That's the lowest total price we could find by $1, although we saw it for slightly less two weeks ago. It measures approximately 15" x 5" and features waterproof fabric, Velcro fasteners, two mesh pockets, and zippered pocket.
Note: These items ship from China and may take between three to eight weeks for delivery.