From the Essentials Collection. Reduce, reuse, and try out a new fragrance or two with these easy-to-use refills. Illume's refillable boxed glass candle has a clean burning, plant-based wax blend. Its refill is sustainably packaged in a compostable paper cup. The fragrance is grounded in soothing cypress with a heart of gathered garden herbs kissed with salted citrus. : To prevent fire burn candles within sight. Never burn candles on or near anything that can catch fire. Keep out of reach of children and pets. Always leave at least 6" (15 cm) between burning candles.