decorative

US /ˈdek.ər.ə.t̬ɪv/
UK /ˈdek.ər.ə.t̬ɪv/
"decorative" picture
1.

serving to make something look more attractive; ornamental.

:
The vase is purely decorative and not meant for holding water.
They added some decorative pillows to the sofa.