From Nambe, the Tilt Wine Coaster features: The Tilt Wine Coaster is ideal for catching drips and condensation from a chilled bottle of wine. Its angled rim creates a playful design, and the metal's excellent thermal properties allow the coaster to be placed in the freezer before use.  Made of Nambé Alloy Tilt Collection Hand wash; dry immediately Designed by Nambé Measures 4.5"" dia. x 2.5" H Imported.