As one of its daily deals, 13Deals offers the Soren Union Padded Lining Duffel Bag for $9.49 plus $3.99 for shipping. That's $2 under our mention from three weeks ago and the lowest total price we could find for a similar 21" vinyl duffel bag by $17. It features double tote straps, an over-the-shoulder strap, and front pocket. Deal ends today.
Note: For an additional $9.99, you can opt to have your bag filled with mystery items.