You don't want your dirty socks rubbing up against your clean underwear, do you? Travelon's 3-Piece Packing Cubes Set keept everything clean and organized. These packing cubes include mesh tops to allow air to circulate preventing odors and mildew. They're also color coordinated for easy organization. And packing cubes let you pack much more stuff into the same space. It's like packing little backpacks inside your backpack. Packing cubes are key to packing light and efficiently for extended travel.