The Arm & Hammer Clean Scentsations In-Wash Scent Booster in Tropical Paradise is a 18 oz. powder designed to enhance the scent of your laundry while you wash. Made in the United States by the trusted brand Arm & Hammer, this scent booster is specifically formulated to provide a refreshing and tropical fragrance to your laundry. Simply add this powder to your washing machine with your regular detergent for a pleasant and fragrant laundry experience.