The GRAV Coffee Mug Pocket Bubbler is a unique and stylish addition to any pipe collection. Made from thick borosilicate glass, this bubbler is durable, and the included 10mm glass cup bowl is the perfect size for this piece.

The Coffee Mug Pocket Bubbler resembles a miniature coffee cup and can be held easily with one hand. The GRAV Coffee Mug Pocket Bubbler offers a novel and high-quality smoking experience.