The Etna Glass Bowl is a masterpiece of design and functionality made from premium quartz glass. Accompanying the glass bowl is the Silicone Grommet, a simple yet indispensable component. Crafted from food-grade silicone, it acts as a perfect seal between the glass bowl and the smoking apparatus. The silicone material ensures a snug fit and easy insertion, making the setup process a breeze. Say goodbye to the frustration of loose bowls or messy connections