Astound your party guests with these amazing secret shark wine glasses! Be the most talked about party host in your town and have a ball with these quirky additions to your kitchen! Buy them now! These wineglasses use the high-grade silicon high-temperature green glass, which is processed by a temperature of 1800 °C, ensuring quality in each wine glass. Superb lead-free product for outstanding clarity and makes a perfect gift for your special someone as well!