Tree-Free Greetings NC37750 Aunty Acid 4-Pack Artful Coaster Set, Life's a Journey Vibrantly printed, thick reusable non-slip coasters 4 matching coasters per set in a gift able acrylic box Made of absorbent, high quality neoprene Easy to wipe clean with a little soap and water If life's a journey, mine is between the fridge and the computer