From Seven 20. Witches, wizards and muggles alike can show off their Harry Potter fandom while protecting their tables and surfaces with this awesome Harry Potter Marauder's Map Coaster Set featuring 4 coasters with the Marauder's Map design in white with a gold plated finish, they are perfect for placing around your home so that you and your guests can rest their drinks on them. They protect surfaces from water marks and heat transfer-so whether you're drinking a glass of water or wine, or a mug of tea or coffee-you are protected in Harry Potter style. The coasters are made from ceramic with a polished finish that won't fade or scuff. Each coaster is sturdy and durable. The coasters are backed with cork so they won't mark your surfaces. They are super easy to care for and can be wiped clean with a damp cloth.