Keep on top of your hydration levels with the Pryme Vessyl by Mark One. Understanding that each day is unique as are your hydration needs, this water bottle works with a smart app to ensure you’re on track each day. The elegant design of the Pryme Vessyl entices you to drink more. A small light on the side alerts you when it’s time to hydrate and the bottle communicates with the app with each sip and gulp. The smart app takes everything from your height and weight to hours of sleep into account to create your daily hydration goals. The Pryme Vessyl comes in all white save for a light blue spill resistant lid. The interior is made with durable glass for easy cleaning. Enjoy being hydrated with the Pryme Vessyl.