Vintage Bakelite Napkin Rings, mixed set of 5

This is a mix-and-match set of 5 different Bakelite napkin rings. One is green, three are butterscotch, and one is a rusty red. Set contains : 1 octagonal butterscotch ring, inner dimension 1-3/8" by 1/2 inch thick A matching pair (2) carved rings, one butterscotch, one red. inner dimension 1-3/8" by 5/9 inch thick A matching pair (2) plain rings, one butterscotch, one olives green. inner dimension 1-3/8" by 3/8 inch thick No chips or cracks. Preowned, sold as is. Bakelite was the first synthetic plastic, used for a wide range of jewelry and household goods, manufactured in New Jersey from 1909 through the 1930s.