Nalgene Wide Mouth Sustain Water Bottle 32 oz Colorado State Denim 32oz. 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. Specifications for Nalgene Wide Mouth 1 Quart Sustain Water Bottle: Manufacturer: Nalgene Volume: 32 oz Package Contents: Nalgene Wide Mouth 1 Quart Sustain Water Bottle Nalgene 621797: Wide Mouth Bottle Sleeve 32 oz Colorado State Denim 32oz