This great looking bong features one of the most popular designs known as the watermine shape diffuser. The watermine shape diffuser is not only super sick but also creates many tiny slots for the smoke to pass and cool down. Cooled smoke is much more enjoyable. Made of the finest, high quality, heavy duty borosilicate glass this bong measures 5 mm in glass thickness. This bong will definitely standout in any collection due to its beautiful craftsmanship. Dry herb bowl include 4.5' base diameter, 3' diameter main chamber and beautiful diamond cutting mouth piece and base.