re·turn·a·ble 
(rĭ-tûrnə-bəl)
(rĭ-tûrnə-bəl)adj.
1. Capable of being returned or brought back: returnable bottles and cans; returnable merchandise.
2. Law Required to be returned within a specified time: a returnable writ.
n.
An empty beverage container that may be returned for refund of a deposit.