Amazon offers Prime members the Gladiator GarageWorks Clean-Up Caddy, model no. GAWU12CCTG, for $15.80 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, it adds $7.39.) That's tied with our August mention and the lowest total price we could find now by $4. It's designed for use on Gladiator GearTrack channels and GearWall panels and features an upper shelf and paper towel holder.