Weather Forecasting Bottle / Droplet Storm GlassPredict the Weather with Unique Style A must have for anyone who wants to be ahead of the weather! This cool and unique bottle is made with high borosilicate glass for excellent quality. The creative droplet design is not only eye catching, but it's also used for weather predictions. Simply fill the bottle with purified water and watch as it changes color to predict sunny, cloudy, foggy, or stormy weather conditions. It's accurate and makes a great