Specially designed to accompany the Prince Lionheart wipes warmer of your choice the Ever-Fresh pillowcase upgrade will keep your wipes moist longer than ever. Simply insert the Ever-Fresh pillow into this handy case and place at the bottom of your warmer. This will keep wipes moist and fight of harmful bacteria while preventing browning to the bottom of your warmer. Details: Comes with a patented Ever Fresh Pillow which keeps wipes moist while fighting bacteria and fungus Prevents browning to the bottom of your wipes warmer The one upgrade that every warmer needs