Greenleaf Classic Signature Candle. Each Greenleaf signature candle is made in the USA with soy-blend wax and a lead-free cotton wick. This candle will burn for up to 100 hours, and is included in the Greenleaf Cares program. Through Greenleaf Cares, your signature candle cultivates change. Proceeds of this product support organizations in the fight to end human trafficking.