Expands up to 4.5 Inches: Expandable by up to 4.5 inches.Compresses by 2 Inches: Features a double zipper for space-saving compression.Durable Exterior Material: Crafted from durable polyester for long-lasting use.Introducing our space-saving luggage organizers designed to bring order to chaos. Our set of 2 Large Compression Packing Cubes, made from durable material, is expandable by 4.5 inches, allowing you to store roughly 2-5 days worth of clothes or bulkier items like coats while maximizing the space in your luggage. Try this packing hack: keep one of these large packing cubes empty for the return journey and indulge in some souvenirs.Dimensions:Expanded Dimensions: 16.74" x 12" x 4.5"Compressed Dimensions: 16.74" x 12" x 2.5"