Packing cubes, garment bags, grooming kits, and more. There are many amazing products available to help you keep your suitcase organized while traveling. However, one essential item type helps with organizing and—possibly more importantly— your cleanliness. We're talking about shoe bags. Not only does a shoe bag keep you organized, but it also ensures that your clothes, toiletries, and accessories stay clean—even up against your most-worn shoes.