Silver Buffalo HP031T1 Harry Potter Movie 1-8 House Crests Tumbler Set, 4-Pack Set of 4 glasses, each holds up to 10-ounces of liquid Perfect for display or everyday use Do not use in microwave, dishwasher safe Do not use cleaners containing bleach or chlorine Represent the Hogwarts houses with this tumbler glass set Set of 4 glasses, each holds up to 10-ounces of liquid Perfect for display or everyday use Do not use in microwave or dishwasher Do not use cleaners containing bleach or chlorine Represent the Hogwarts houses with this tumbler glass set