Lifeline 40-Ounce Stainless Steel Bottle Lifeline Green bottles are safe, sustainable and simple. 40oz/1182ml bottle. 18/8 Food Grade Stainless Steel and they are BPA Free and FDA Approved. Reduce Waste: Americans throw billions of disposable water bottles into landfills each year. Reduce Pollution: Enough oil is used in the packaging and distribution of bottled water to fuel 3 million cars for a year. Save Money: Bottled water is expensive. Refilling a reusable bottle with tap water will save you a ton of money.