Keep your Birkenstocks fresh, clean, and looking like new with this handy Deluxe Shoe Care Kit. The cork sealer keeps cork from drying out and getting brittle. The cleaner and refresher eliminates odor on all types of footbeds. The water and stain repellant protects fine leather, suede, nubuck, and textiles. And finally, the suede and nubuck leather brush gently cleans the surface and hard to reach places.