The Eagle Creek Pack It Spectre Tube Cube, fits in most carry on bags. An ultra-light packing solution from Eagle Creek, that is a great way to keep clothing and small accessories organized, while travelling. Made from Silnylon, this translucent fabric is the same fabric used for lightweight tents and backpacks. Its super-durable, stain and water-repellent. Finally, organization in just the size you need. Provide customization and space savings for any backpack, day bag or piece of luggage. If you can roll it, this travel cube can hold it.