wrapper
Definitions
A piece of paper, plastic, or other material used to cover or enclose something.
A software component or interface that encapsulates another program or library to provide a simplified or compatible access point.
A garment, such as a dressing gown or robe, that is wrapped around the body.
Examples
Please throw the candy wrapper into the trash bin.
The gift was beautifully decorated with shiny gold paper and a festive wrapper.