ROK super premium UK e liquid is made in the UK to our own recipes delivering the best taste. Using US & European pharma grade nicotine & e liquid dilutants, with grade natural & nature identical flavourings all sourced within the EU. Supplied in 10ml child proof bottles. Our e liquid can be used with ROK Legend and any other e liquid refillable e cigarette. So if you have bought a device from another supplier that’s OK.