The Best Mermaid Cup Blue is a unique and innovative water bottle designed to be a great companion when it comes to staying hydrated. The cup's multiple layers work together to keep your drink cold or hot for longer periods of time. The outside lid has a mermaid tail pattern and a double wall design that helps to insulate your beverage. The inside layer is made of a BPA-free clear plastic that allows you to easily see how much liquid is left. The Best Mermaid Cup Blue is easy to use and clean. It fits easily into any cup holder, making it an ideal companion for working, exercising, and any other active lifestyle. It's also outfitted with a leak-proof stopper for added convenience. The Best Mermaid Cup Blue is a great way to save money on wasteful plastic water bottles. It's also an excellent way to stay hydrated. Finally, it looks amazing. The mermaid tail pattern with shades of blue creates a beautiful and unique water bottle. No matter where you take it, you will turn heads with this attractive and useful water bottle.