Nalgene Wide Mouth On The Fly Sustain Water Bottle 16 oz Purple 16oz. The wide opening fits most filtration devices and ice cubes and the design is durable and versatile. All of our bottles are BPA/BPS free. Our new Nalgene Sustain product line is made from material derived from 50percent waste plastic (using ISCC certified mass balance) further offsetting the use of fossil fuels and lowering greenhouse gas emissions. Specifications for Nalgene Wide Mouth 1 Pint Sustain Water Bottle: Manufacturer: Nalgene Volume: 16 oz Package Contents: Nalgene Wide Mouth 1 Pint Sustain Water Bottle Nalgene 682021-0336: Wide Mouth On The Fly Sustain Water Bottle 16 oz Purple 16oz