General description The 18 Pack Cork Coasters are designed to be absorbent and heat resistant, making them ideal for various types of mugs and glasses. With a raised rim, they effectively collect condensation from cold drinks, preventing spills on your furniture. These coasters are stackable, easy to clean, and made from strong, attractive cork material that is thick and durable. Technical specifications Color: Wood color Material: Cork Size: 4 inches (10.3 cm) diameter, 0.7 inches (1.8 cm) thick Package Contents: 18 x Coasters Measurement allowed error: +/- 1-3 cm Usage Suitable for coffee cups, wine glasses, mugs, beer bottles, and pots Helps protect tables and furniture from heat and moisture Reduces noise from glasses and cups Can be used for DIY art projects and customization