BLACK ICE: A mysteriously enticing masculine scent of citrus and woods. FRESHEN YOUR LIFE: Make your car Invisibly Fresh with LITTLE TREES Vent Wrap – an air freshener that blends in with a scent that stands out. As the global symbol of freshness and quality, LITTLE TREES has been making life smell better since 1952. At home or on the road, let LITTLE TREES freshen your life.