Nalgene Sustain Wide Mouth 0.5L Bottles Highlights-. Made from 'Sustain' Tritan Renew - the equivalent of 8 single-use bottles are recycled in the production of one Nalgene Sustain bottle. TheNalgene Sustain Wide Mouth 0.5L Bottle has all the classic features of the iconic wide mouth water bottles in a compact 0.5 litre version, now made from recycled material.
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