Both widely available in supermarkets this product is sold in a great deal at The Electric Tobacconist at the moment well below the ususal price and that of Ploom's own website. For me it's always got to be the Bronze variety as it's most authentic and closest to smoking real cigarettes, bust of course without the actual smoke, just a modest vapour and a feint popcorn-like aroma so it can be used quite discreetly indoors. The Ploom devices these are made for are pretty robust and smartly designed,