The Vanaspati diya batti is made from vanaspati ghee. The big size wicks burn for approximately 30mins. They are perfect for daily puja by the time you leave home you're sure the wick has finished burning these wicks reduce danger to home. The wicks have a mild flavour which is a combination of camphor, sandalwood and jasmine. These ghee batti's are a replacement for handmade ghee diyas, so there won't be any strong smells when you burn it. These ghee batti's are wax free. After it's fully burnt, there will be a small cotton residue left in the lamp. Throw it away and your lamp is ready for your next puja.