Using this Nella pan rack cover is a breeze. Just unzip it and place it over your pan rack. It's designed to fit perfectly with the dimensions of 20 inches wide, 26 inches deep, and 70 inches high. When you're done, simply zip it up to keep airborne contaminants away from your freshly baked goods. As for maintenance, you can wipe it down with a damp cloth to keep it clean. Avoid using harsh chemicals as they might damage the PVC rubber material. Store it in a dry place when not in use to prolong its lifespan.