This impressive 16.5" bong features a sturdy 55mm diameter glass structure with a base diameter of 4.7", providing a solid and secure smoking experience. It is fitted with a double showerhead perc, ensuring optimal filtration and a smooth hit. The bong also comes with an 18mm bowl, allowing for generous amounts of herb to be smoked. Overall, this bong promises a fantastic smoking experience perfect for enthusiasts who seek uncompromising quality and performance.