Joseph Joseph DOT Hydration Tracking Water Bottle $19.99: 20oz BPA Free Tritan™ body. Helps you reach your daily hydration goals by tracking what you drink. The innovative tracking lid records the number of bottles consumed (up to 4 bottles). A new dot appears every time the bottle is refilled and the lid is closed. Equipped with a wide opening for filling with ice and for easier cleaning. Leak-proof lid and impact resistant.