Water for Life Double Walled Stainless Steel Vacuum Bottle 750ML Made entirely of high-grade stainless steel  no glass making the bottle virtually unbreakable! Non-toxic, BPA-free inner liner Leak free screw-top lid vacuum-insulated stainless steel thermal bottles Maintains the pH & antioxidants of your Life Ionized Alkaline Mineral Water for up to 300% longer than any other bottle.