Personalized coasters are a great addition to your home to protect your furniture while adding a personal touch to any space. Add photos from family vacations, graduations, birthdays, weddings, and other special memories. These coasters have a spill-proof cork back and a waterproof feature that protects your photos from losing its quality overtime. Personalized coasters are suitable for hot and cold beverages, available in a set of 4. Each coaster is square shaped measuring 3.75 inches.