Set of Four Vintage 1980s Transparent Pink Napkin Rings Holders Flower Bloom

Set of four transparent pink napkin rings, vintage 1980s. Overall diameter just under 1 3/4 inches, opening about 1 1/4 inches, floral bloom about 1 inch tall. These look and feel like glass, but I believe they are actually acrylic. Vintage items in good condition, no chips, no cracks, light use.