The innovative Joyetech JVIC (Juice Vertical Injection Coil) uses vertical juice injection to produce a satisfying hit every time. It has a great ceramic cradle which takes a horizontal approach in discovering original and clear flavor as well as large clouds. It's NiCr/SS316 coil wrapped by ceramic cradle. There are the JVIC1 0.6ohm head JVIC2 0.25ohm head for MTL/DL vaping. Compatible with the Penguin and the Dolphin Units.