Ultralight Nylon-These compression packing cubes are made of ultralight 30D nylon fabric, which is a lightweight fabric wiht lower denier. Theyre great for when you want to minimize weight and save space within your carry on, suitcase or backpack. Durable Cordura Fabric - Although the fabric we selected is lightweight, but also durable enough. Special structure of the fabric makes it has superior wear resistance, tear resistance and high strength, so they can with stand long time use. Convenient&Multi-Functional: Classifying and organizing your belongings for your travel will become easy with these lightweight packing organizers.You can choose different size and color set for different use purposes. Space Saving: Save up to 50% space by compressing the packing cubes via the exterior compression zippers. Packing 3 x Organizer Bags