The Prince Lionheart Premium wipesWARMER takes the chill out of diaper changing. It features the patented, non-browning, moisture retaining, anti-microbial everFRESH System®. The premium wipesWARMER keeps baby wipes fresh, moist, and free from discoloration. All Prince Lionheart wipesWARMERS are molded with an EPA-approved anti-microbial additive to inhibit the growth of bacteria and microorganisms. Designed for pop-up and regular wipes.