The first is the size of the rack. It should be large enough to accommodate ... for you to put in or take out the spice bottle. The included 28 square empty glass spice jars with lids are made ...

If you'd rather invest in the real deal (or have a large collection!), this nail polish organizer holds between 56 and 96 bottles, and is made of premium acrylic. This spice rack is coated with ...