GeekVape Z SE Sub Ohm Tank features a limited edition tank and has child safety lock to solve users' concerns. The new z coils have been enhanced to last twice as long as standard coils. It has a 5.5ml capacity and a top-fill system with an 810 drip tip. The top airflow design, which also prevents e-juice from spilling, creates enormous clouds and amazing flavor. Choose from the many colors offered, including Rainbow, Blue, Gunmetal, Gold, Black, and Silver.