patent leather
US /ˈpæt.ənt ˌleð.ər/
UK /ˈpæt.ənt ˌleð.ər/

1.
a type of leather with a hard, smooth, and extremely shiny surface, typically black
:
•
She wore elegant shoes made of black patent leather.
•
The handbag had a glossy finish, resembling patent leather.