There are raised glass marbles on the sides of the roomy bowl that give you a good grip and which serve as roll-stops to prevent the pipe from tipping over and rolling away when placed on a flat surface

Just pack the glass bowl with your herbs

and it’s portable and durable so it can travel with you wherever you go

You can get more enjoyment from your vape pen when you attach the Petite Pocket Cart Rig Bubbler by Pulsar

Honeybee Herb Colorful Classic Vortex Carb Cap Color:Yellow There are raised glass marblesTake your set up to the top with this classic UFO Vortex Spinner Carb Cap! This fun cap comes in four different color combinations, red, blue, yellow, and green, and it is sure to be a show stopper for any enthusiast. The vortex spinner carb cap design allows ample movement with terp pearls. The multi use design allows the cap to be used with or without terp pearls. Material Glass Universally Compatible No Outer Diameter 30mm Auto Spin Yes