Silver Buffalo HP07087 Warner Brothers Harry Potter Movie Slytherin Crest Plastic Cold Cup with Lid and Straw, 16-Ounces BPA-Free double-walled acrylic cold cup Holds up to 16-ounces of liquid Screw on lid has a leak-resistant silicone seal and removable bend-proof straw Do not use in microwave or dishwasher Show off your Slytherin house pride with this cold cup!