Calpak Medium Compression Packing Cubes in Black Space-Saving Compression Design: Maximize luggage space with a space-saving compression design. Durable Material: Crafted from durable polyester material for long-lasting use. 2-Piece Set: Includes two same-sized cubes for smart, efficient packing. Say goodbye to struggling with zipping your luggage shut—packing like a pro just got easier with our Compression Packing Cubes. Expand contents by up to 4.5 inches and fit 1-3 days worth of clothes effortlessly. Each set includes 2 same-sized cubes, allowing you to pack smarter and smaller, transforming your luggage from chaos to controlled chaos