ornamental
adjective uk/ˌɔː.nəˈmen.təl/ us/ˌɔːr.nəˈmen.t̬əl/
装饰性的，装饰用的;装饰的
beautiful rather than useful
a bowl of ornamental china fruit 一盘装饰性瓷制果
The handles on each side of the box are purely ornamental (= they are for decoration only). 盒子两边的把手纯粹是装饰性的。
Synonyms: cosmetic decorative