0.6ohm coils and 0.23 coils compatible with the Smok Stick AIO. Stainless steel outer shell with large wick ports made from organic cotton.5 coils per pack.Quick Links:Shop All ModsShop All E-LiquidShop All Salt NicotineShop All TanksShop All CoilsShop All AtomizersShop All AccessoriesShop All Alternative 420Shop All Smoke Shop GlassFeatures and Specs:25W-45WVertical Style Dual Coil DesignProvides Large Clouds and Smooth Airflow