Sea Stone Napkin Ring in Yellow Set of 4 by Kim Seybert. The Sea Stone Napkin Ring features sunny shades of yellow andتcream resin stones set in clusters. These summery napkin rings are reminiscent of tumbled stones found upon the shore. Arranged at random, the stones are mounted on a beautifully beaded napkin ring. These beaded napkin rings are the perfect addition to a bright and cheery table. Materials: 65% Acrylic Beads, 25% Metal Base, 10% Glass Beads