Gift Magic 17oz Aluminum Water Bottle Stay hydrated year-round with a color-changing water bottle. The durable aluminum bottle changes color when you add color liquids for a design that feels like a 2-in-1. Style : ERJAA03965 Features Composition: Aluminum Closure: Twist off closure Volume: 17 ounces Additional Features: Engraved ROXY heart logo Bottle changes color when you add cold liquid