Nalgene's best-selling water bottle for over 20 years. Nalgene Easy Sipper Splash Wide Mouth Plastic Water Bottle Cup, 32oz Made of Tritan co-polyester without bisphenol A, with excellent impact resistance; suitable for the top rack of the dishwasher. Suitable for both hot and cold drinks. The wide mouth makes it easy to clean and add ice cubes. Opening fits most water filters. Marked with milliliters and ounces for easy measurement.