Iris is the signee for the package.
The definition of a signee is a person who signs something.
An example of a signee is a person who puts his or her signature on a contract.
a signer, esp. of a petition, contract, etc.
One who has signed a document, such as a contract or petition.
- One who signs a contract, especially in athletic contexts
- Our team has landed some great signees in this draft.
sign +"Ž -ee