Features: Smooth Rolling Base with Locking Mechanism: 4 Smooth rolling caster wheels provide effortless multidirectional movement, while the wheel locks prevent unwanted rolling when positioned. This adjustable drum dolly moves heavy containers safely across any surface. 3 Pack Offering: With 3 complete adjustable trash can dolly units included, this set provides value for maintaining multiple locations or having spares available. The professional grade construction delivers performance that exceeds expectations. Specifications: Material: polypropylene, stainless steel Color: black Size: 14.96-20.47 inches/ 38-52 cm Package includes: 3 x Trash can dolly with wheels Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Small parts included, please keep them away from little kids to avoid swallowing risk