ThisCosmic Confection Hammer BubblerbyPulsarmeasures 6.5 inches (16.5cm) long and features a color block design with a decorative exterior flower marble and a Pulsar logo. Bubbler pipes can be a great crossover between traditional hand pipes and larger water pipes. Great for the casual or frequent smoker, bubblers require just a small amount of water and are just a bit larger than regular hand pipes with the added enjoyment of water filtration. Colors vary.