The Rubbermaid Commercial ProSave Ingredient and Food Storage Mobile Bin is a bulk food storage container on wheels. With a slanted front, sliding opening, and 32-ounce scoop, these food storage containers makes it easy to transport ingredients. These bulk food storage containers feature 2 fixed front casters and 2 swivel rear casters that provide superior maneuverability. The mobile bin has a white bottom and clear lid for easy identification of ingredients.