This 14 inch glass bong is made of durable borosilicate glass and comes with removable stickers for 7 days of smoking fun. The 7mm thickness and 135mm base diameter provide a sturdy foundation for the bong. It also features a 6" slitted downstem and 3 pinched ice catcher for a smooth and cool smoking experience. With 3 pieces included, this bong is the perfect addition to your collection.