For a lifetime of better watch care, use WristClean products to keep your watch and Fitbit like new. Clean, Beautify, and Preserve your Watch. Protect your watch against impurities and exposure to elements - sweat/perspiration, saltwater/freshwater, earth, mud, and dirt. No other brand is as insanely committed to maintaining the factory finish and appearance of your wristwatch. Our products are the best in the world and we will never sacrifice quality. Ever.