Eagle Creek Pack It Sac, Blue Sea, Medium DURABLE. Made with ultra lightweight silnylon material so you can organize your packing without adding extra weight. The ripstop design ensures these cubes will last through even the toughest packing jobs. WATER-RESISTANT. These pack-it sacs are made out of nylon so they're water-resistant. They're great for any type of vacation so you can enjoy your trip without having to worry about your clothes staying dry. They're also great for keeping your clothes clean if your toiletries spill while you're traveling. We've got you covered so you can have a stress free trip. ORGANIZATION: This set is the perfect solution to maintain and organize any toiletries or small items you may be bringing with you. DIMENSIONS: 10 x 8 in | 3.5 L