Prism Coaster in Multi Set of 6 in a Caddy by Kim Seybert. The modern Prism coasters are a festive addition to holiday entertaining. Specks of multi-colored glitter sparkle in the hand-poured, acrylic coasters--each one is slightly different. These confetti coasters are sold as a set of six in a sleek caddy for holiday gifting. Materials: 100% Acrylic