The 50mm Dual StemLine perc bongs from Texas Tubes Glass. Produced in Texas with quality and precision. Each piece is handmade and has exceptional grid work along the stemline style percolator. The dual gridded mini stemline perc makes this bong complete. Colored mouthpiece, base and reinforced bridge makes each piece unique. The black Texas Tubes logo at the top of each piece make these bongs Authentic. One hole bong bowl is included making thisbongready to use out of the box.