Silver Buffalo HP0664 Warner Brothers Harry Potter Movie 1-8 Slytherin Crest with Dashes Tritan Water Bottle, 20-Ounces Made of unbreakable, high-quality BPA-free Eastman Tritan plastic Holds up to 20-ounces of liquid Screw on lid with convenient flip-up spout Travel-friendly with built-in carrying loop Top-rack dishwasher safe Do not microwave or put in freezer Do not use cleaners containing bleach or chlorine