Oh Happy Day smells like the most delicious and decadent cake you've ever eaten. Buttery goodness mixed with toffee white chocolate and buttercream making a scent that is sure to make your mouth water! Note Profile: Top: Butter, toffee Middle: chocolate, sugar Base: vanilla cake Buttercupp Candles are highly scented 100% soy, phthalate free, zinc free, cotton wicks. Scent strength and burn times: Melts: 24 hours per ounce. For best results use an electric melter that doesn't need a bulb, we find these to be the strongest. 8 oz: 65 hours. Perfect for a medium-sized room or in a small room for a strong scent. 14 oz: 85 hours. Best for larger rooms or a very strong scent in a small space.