The little piranha quartz beaker with banger nail rigs are completely clean and clear. They are made entirely of pure quartz! Standing at 5" inches Tall, this little beaker bong/rig is stemless and fixed - so no rattling accessories to get irritated with. The Piranha Quartz Banger Beaker is absolutely perfect for a hassle-free travel experience and on the go sessions with your favorite new set up.