An "unopened package" refers to something that is in its original wrapping and has not been opened yet.
Sentences with «unopened package»
You can pick up an unlocked Galaxy S7 at a discount from eBay, the seller is offering brand new units in unopened packaging for a very enticing price. (sammobile.com)
Unopened packages require no refrigeration, and are backpack, boat - bag and shelf stable. (patagoniaprovisions.com)
I know some schools do collect unopened packaged foods and uneaten whole fruit and informally get that food to kids who need it. (thelunchtray.com)