From the manufacturer:
These 9-inch long wicks have a natural beeswax coating, perfect for soy wax, beeswax, palm wax, and paraffin wax candles. Theyre great for use in large container candles with a 2.5-4 inches in diameter. They're also coreless, with a combination of high-grade cotton and paper threads to provide stability. This package contains six 9-inch long candle wicks with a beeswax coating. Made in the USA.