Beautifully crafted from 9 mm extra-thick borosilicate glass, this 20 in luxury patterned bong stands out due to its exceptional clarity, strength, and durability. It features an unusual percolator and ice notches for a cooler smoke. The reinforced bi-stable 18 mm joint is compatible with 14/18 mm down stem attachments, and a roomy 14 mm glazed slide bowl is included.