Never worry about breaking a bowl again. This aircraft grade aluminum bowl will never break and it fits perfectly in your favourite glass or silicone bong. It works perfectly with the unbreakable Titan-Stem Downstem. Titan-Bowl XL™ 18mm bowl with built in screen has 40% larger capacity than the original original. Never worry about breaking a bowl again. This aircraft-grade aluminum bowl will never break and it fits perfectly in your favorite glass or silicone bong. Never buy another bowl again. it works perfectly with the unbreakable TITAN-STEM Downstem Titan Bowl Features: Indestructible 40% Larger than the original TITAN-BOWL Made in USA Built-In Screen Cool to Touch vs. Glass Bowl 18mm Male Easy to clean, smooth matte non-stick finish Made from Aircraft Grade Aluminum Food Grade Quality Standard: ISO EN 9001 Certified Comes with Original Box & Packaging Color: Black Easy to clean (just use alcohol)