The Nalgene Sustain bottles are the first to be constructed with a new resin powered by next generation recycling technology! Sustain transforms plastic destined for landfills into high performance BPA/BPS free bottles. Made from 50% certified recycled content, this bottle further offsets the use of fossil fuels and lowers greenhouse gas emissions. The large opening on the wide-mouth bottles easily accommodates ice cubes, fits most water purifiers and filters, and makes hand-washing a breeze. The attached loop-top never gets lost and screws on and off easily. Printed graduations let you keep track of your hydration. 32oz/1 Liter capacity. Details Dishwasher safe (with cap removed). Made with 50% recycled materials Extremely durable Resistant to staining Resistant to retaining odors Recommended for "extreme" adventures Withstands temperatures from -40ºF to 212ºF