2 Pack Bundle- With 10ml Gluegar and Storage Tube, Sticker. 
 
Vortex Glass Tips with 7-hole airflow design for smoother, more even draws
Helps reduce clogging and improves overall airflow
Available in 7mm, 8mm, 9mm, 10mm, 11mm and 12mm sizes to fit your preference
Made from durable, heat-resistant glass
Reusable and easy to clean