Bold, outdoor scent. Hang anywhere freely. Avoid contact with any surfaces. Quick, powerful and long-lasting effectiveness. Little Trees Black Ice hanging paper car air freshener is great for car, home, office, bathroom, laundry room or anywhere you need a fresh, clean scent. Fresh as a breeze, Little Trees air fresheners are made from ingredients carefully selected to produce exquisite fragrance blends. Little Trees air fresheners are the most popular air fresheners in the car wash industry.