COASTER SET: This glass coaster set features the coat of arms for each of the Hogwarts School of Witchcraft and Wizardry house, with a coaster for Slytherin, Ravenclaw, Hufflepuff, and Gryffindor TIDY: Each coaster has four plastic scratch-resistant feet and set comes with a plastic storage tray MORE THAN GLASS: Our coaster set is durable enough for everyday use but unique enough to stand-out as a collectors piece OFFICIALLY LICENSED: Have confidence knowing you are purchasing an officially licensed Warner Brothers Harry Potter glass coaster set from Silver Buffalo MAKES A GREAT GIFT: This tumbler glass set makes a great gift for all the Harry Potter fans and Hogwarts students in your wizarding life; whether its for girls, boys, kids or adults, everyone will enjoy the magic this item brings with it from the magical world of Harry Potter