This set of 4 napkin rings is both nautical and romantic. The figure 8 knot is used in boating as a stopper knot. It is also used to represent the unity of two entities, like the unity of a couple in marriage. There are 4 napkins rings in this set. They are made out of hard laid #108 cotton cord and the ends are whipped together with a fine cotton. The inside circumference is 5 inches.