All sales are final policy — states that once customers make a purchase, they will not be able to return that item for a replacement or refund. All sales final policies are typically applied to clearance sale items.

No cash refund policy — states that no monetary refunds will be given, though alternative refunds may be offered, such as store credit or exchanges.
No refund, exchange only policy — states that customers can only exchange items they wish to return, rather than get a refund.