REI has the Delta Cycle Expandable Mega Wedge Bike Seat Bag (black) for $14 with free in-store pickup or $6 shipping. For REI members it's $14 - 20% off with coupon code MEM13 [Exp 4/7] = $11 with free in-store pickup or $6 shipping. Bag is water resistant and has three compartments: a main easy-access compartment, an expandable compartment and a see-through compartment. Normally $20+.
Deal has expired