Now, Crystal deodorant goes with you wherever you want to go: to the gym, on a weekend getaway, or a business trip. Patent pending Crystal Solos, the size and weight of a credit card, are small enough to put in your back pack, briefcase, handbag or suitcase. You can even drop one in your pocket. A single towelette can be used on both underarms. Crystal Solos: all the deodorant protection of Crystal Body Deodorant in a convenient towelette.