Pineapple, goji berry, and mango are perfectly blended for an exotic sensation, as a hint of driftwood adds lingering tones of sunny warmth to the island sensation. Note Profile: Top: Tropical Fruits Middle: Sugared Citrus Base: Driftwood 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.