Hydration bottle is made from BPA-free, impact-resistant copolyester for safe, long-lasting use. Lid opens easily with a simple push of the button to quickly access your beverage while keeping the sipping spout clean. Rotating meter on the lid lets you conveniently monitor your daily water consumption. Flip-up carrying loop allows you to attach this bottle virtually anywhere to ensure it's always nearby. Plus, its ergonomic design ensures you have a comfortable grip for an enjoyable sipping experience.