Spring cleaning is easier than ever with the Project Source 16.5-Gallons (66-Quart) Plastic Storage Container and Steel Heavy Duty Shelf Collection. Project Source storage bins are available in multiple stackable configurations and are an ideal storage solution. Features double-rimmed walls to prevent bowing and buckling, while sturdy latched handles keep the lids securely attached to the base. What's more, crossbars built into the plastic container's lids provide an extra level of strength and durability. And this boltless shelving unit is the perfect storage solution for your garage, basement, warehouse, or office. Industrial-grade shelving with a weight capacity of 800 lbs per shelf and 4000 lbs per unit. With shelves adjustable in 1-1/2-in increments, you can customize shelving to suit your needs. Easily assemble with only the use of a hammer or rubber mallet. These storage containers are perfect for office, workshops, basements, attics, shed, garage, or anywhere to stack smart and save space. So happy cleaning and organizing with this organizer's dream collection.