Matte Black Glass Pre-Roll Tubes | 18mm - 115mm - 400 CountIntroducing our new matte black glass pre roll tubes the sleekest pre roll tubes in the industry. Slip your classic to king sized pre rolled cones and rolled products into the little black dress of doob tubes. At 115mm with 18mm threading, this sexy black glass tube intrigues customers, leaving them wanting to know more about what lies within. As if this black glass tube wasnt eye catching enough, the cool feel of the smooth matte black glass is sure