Section 372.290 - Containers1. There are exempted from the taxes imposed by this chapter the gross receipts from sales of, and the storage, use or other consumption in this State of: (a) Nonreturnable containers when sold without the contents to persons who place the contents in the container and sell the contents together with the container.(b) Containers when sold with the contents if the sales price of the contents is not required to be included in the measure of the taxes imposed by this chapter.(c) Returnable containers when sold with the contents in connection with a retail sale of the contents or when resold for refilling.2. As used in this section the term "returnable containers" means containers of a kind customarily returned by the buyer of the contents for reuse. All other containers are "nonreturnable containers."