Mini water bongs are much more travel friendly and portable, they are also a lot easier to clean. I will list a couple of the most popular miniature bongs you can get online now.
Mini Glass Bong
This small glass bong is a great addition to any glass collection.
Height: 20 cm / 7.9 inches
Ice Notches: Yes
Joint Size: 14.5 mm
Buy The Mini Glass Straight Bong
Mini Beaker Bong
This is a perfect small bong for anyone looking for a bubble / beaker base.
Glass Thickness: n/a
Height: 12 cm / 4.7 inches
Ice Notches: No
Buy The Black Leaf Straight 7mm / 34cm Bong
If you shop around long enough you will come across many small bongs for sale, but not all of them will be well made. Make sure you are getting a solid glass bong before making any buying decisions!