14mm or 18/19mm available； The 18mm glass slide bowl can fit for either 18mm or 19mm.

• Glass Bowl in 14mm or 18mm,height:2.75" and come with the screen.
• Beautiful color, Thick Glass and Unique device, Heat-resistant glass,Borosilicate glass.
• 14mm or 18/19mm available； The 18mm glass slide bowl can fit for either 18mm or 19mm; Sure ground glass-on-glass
• The bowl is literally HUGE. The hole is a bit large but great for good airflow,or you can use the screens
• Each of our bowls from our stock is nice design. This item is very durable, as it is made of 100% borosilicate glass and properly annealed in a kiln to help prevent glass fracturing.

Glass Bowl in 14mm or 18mm,height:2.75" and come with the screen.MAXFASHION