Okay travelers, this is one of those products you don't think you need until you try it. These waterproof shoe bags are seriously game-changing for keeping your clean clothes separate from your dirty shoes. Each bag measures 17×9 inches - big enough for men's shoes up to size 13, or you could fit two pairs of women's or kids' shoes in one. The semi-transparent material lets you see what's inside without opening everything, and the handle makes them easy to carry. The interior is waterproof polyester (though the zipper part isn't fully waterproof, so don't submerge them) and the exterior is sturdy mesh. They're not just for shoes though - use them for toiletries, gym clothes, makeup, or organizing your suitcase. Coming in a 4-pack means you've got plenty for a whole trip. They're lightweight and pack flat when empty. Seriously, once you start using these, you'll wonder how you ever traveled without them. No more shoe dirt all over your nice clothes!