Green Virgin Products Stainless Steel Water Bottle 750 Ml=25 Ounces Includes Sport Cap Entire bottle is 304 Stainless Steel. Some bottles use brass for the threads. Avaoid these. Wide mouth opening makes it easy to add ice to your bottle Includes sport cap with attatched dust cover. Lifetime free replacement for defects in materials and workmanship. BPA free. All plastic bottle leach toxic chemicals even if labeled BPA free. Do not drink out of a plastic bottle if you care about your health.