returnable
adjective
uk/rɪˈtɜːnəbl/ usif 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