The Rubbermaid 20 Gallon Greenskeeper storage container features a built-in reservoir that allows water to drain continuously. The all-plastic, professional grade construction will not rust, chip, or peel on the 20 Gallon Greenskeeper. Strong Snap-on lids are available for secure stable stacking. Folded reinforced rims add strength and durability. The 20 Gallon Greenskeeper container also has a double-ribbed base increasing stability and dragging capacity.