glass is the cleanest way to drink. no chemical leaching or metallic taste. * 500 mL and a narrow mouth for easy sips, like a plastic water bottle or a beer without the guilt. * BPA-free, BPA replacement free, FDA approved, dishwasher safe on top rack * bkr gives back. purchase supports initiatives that fund early detection cancer research and combat the global water crisis. * celebrity favorite and featured in ELLE, Vogue, Instyle, Dwell, W, Shape, Glamour, ELLE Decor.