JJ International Trash Can Dolly New for 2017: Larger openings to accommodate larger bins. 18.5&quot;x18.5&quot; openings can hold 2 standard recycling bins or 2 standard 20 gallon trash cans comfortably. Can also accommodate up to 32 gallon bin. 4-wheel design making it easier than ever to move your garbage and recyclables for pickup. Locking caster wheels to secure your bins from rolling away. Low center of gravity design prevents bins from falling over due to windy conditions.