Amazon.com: CLMCL 2 Pack Plant Caddy Wooden Plant Stand with Wheels 12 Inch Square Plant Roller with Lockable Caster Wheels Heavy Duty Rolling Plant Stand Outdoor/Indoor Plant Dolly on Patio/Flower Pot :
Idzo Square Metal Heavy Duty Plant Caddy with Wheels, Cast Iron Plant Dolly, Plant Stand with Wheels, Load Capacity 385 Lbs, Repositioning Heavy Pots, Hauling Heavy Household Items, 12 Inch - Black - Walmart.com
Foreman 12 in. Heavy-Duty Square HPL Resin Wood Grain Plant Caddy with Metal Lockable Casters in Amaretto PPW-12-2-A - The Home Depot