Classic fragrance wax melt collection from Candle Warmers etc. is made of soy wax, which is creamy and smooth, combined with rich colors and the finest home fragrance. The proprietary soy wax holds a high fragrance load, providing a strong and clean throw compared to traditional waxes. They can be used in this wide variety of fragrance warmers. 2.5 oz wax melts have a melt time of 30 hours.