a shelf life

the length of time that something will last or remain useful

Usage notes: The shelf life of a product is the amount of time that it can be offered for sale before it must be thrown away.

These days many marriages have a fairly short shelf life.

Name	Pronounced	Usage
Deacon	DEE-kən	English (Modern)
Ayotunde	-	Western African, Yoruba
Breanna	bree-AN-ə, bree-AHN-ə	English
Phillida	FIL-i-də	English (Rare)
Lughaidh	LOO-ee	Irish, Irish Mythology
AustĖJa	-	Lithuanian, Baltic Mythology