The new Amsterdam Limited Edition Bongs is made of high quality borosilicate glass, the thickness of the glass is 7mm and formed in a special beaker shape. It comes with a slitted chillum percolater. The bong is 42 cm of height and the glass and the chillum is 18.8mm. It comes with some ice noches that can hold some cubes for cooling your smoke. This will be the coolest, smoothest smoke you've ever had!