Napkin Ring Sets

napkin ring
A ring used to hold (and distinguish) a person's table napkin when not in use
a circular band used to hold a particular person's napkin
The napkin ring, sometimes called serviette ring, was originally used to identify the napkins of a household between weekly wash days. The standard napkin ring is a simple ring made from skewers.
decorative ring to hold individual cloth napkins at each place setting (Napkins are to be placed at the left of the plate or in the center of the plate).

sets
A group or collection of things that belong together, resemble one another, or are usually found together
(set) fit(p): (usually followed by `to' or `for') on the point of or strongly disposed; "in no fit state to continue"; "fit to drop"; "laughing fit to burst"; "she was fit to scream"; "primed for a fight"; "we are set to go at any time"
A collection of implements, containers, or other objects customarily used together for a specific purpose
(set) a group of things of the same kind that belong together and are so used; "a set of books"; "a set of golf clubs"; "a set of teeth"
A group of people with common interests or occupations or of similar social status
(set) put: put into a certain place or abstract location; "Put your things here"; "Set the tray down"; "Set the dogs on the scent of the missing children"; "Place emphasis on a certain point"