This super thick beaker bong by Thick Ass Glass is 9mm thick with 11mm thickness at the base! If durability is what you are looking for then look no further. This resilient beaker bong is also quite tall standing at 18'' inches. It features a triple ice pinch so you can stack ice for extra cooling. The downstem is removable and is 18mm to 14mm. A 14mm male bowl is included.