Focus on the pronunciation of returnable
English definition of “returnable”
› if an amount of money is returnable, it can be paid back to the person who gave it: Your deposit is not returnable.
› COMMERCE if a product is returnable, you can give it back to the company that sold it and get another one or your money back: Books are held in the bookshop at the publisher's risk and are fully returnable.
› ENVIRONMENT if a container is returnable, you can give it back to the company that sold it to be used again: returnable bottles/cans/packaging