Serene Scents by Sarina's scented candles are hand-poured in Brisbane, Australia using 100% Eco-friendly pure soy wax and hand scented with the highest quality ingredients. We have sourced fragrance oils that are made from all-natural ingredients here in Australia and do not contain any synthetic ingredients Large Bubble Amber Candle Jars hold 390ml of soy wax, giving you approx 50+ hours of burn time. We use all-fiber cotton wicks, to ensure a long clean burn.