Bobble Water Bottles. NSF®. =300 standard 16.9 oz/500 ml. Filters as you drink. Make Water Better™. Carbon filter. BPA free. No bisphenol A. Filtered. Recyclable. 34 oz/1 L. Independently Certified®. Component. This bobble is tested and certified by NSF International against NSF/ANSI Standard 42 for material requirements only. Seventh Generation Ventures "Bobble Make Water Better™" is a registered trademark of Seventh Generation Ventures, Inc. Product questions: 1-800-211-4279. www.waterbobble.com.