15.8-Inch, Heavy Duty Round Plant Planter Stand Caddy Caddie Dolly (Color Clay/Terra Cotta) (MGT 10006R) External Diameter: 15.8" ; Internal Diameter: 13.5". Color: Color Clay / Terra Cotta. With 4 wheels. This Down under caddy holds up to 180 pounds. Constructed of UV resistant plastic. Use indoor or outdoor. Solid casters. One locking caster keeps caddy in place. Easily move your potted plants and change your garden design. Provides plants with optimal lighting throughout the day by wheeling them into/out of the sunlight.