This comprehensive 4-piece luggage set is perfect for travelers of all kinds. The set includes four suitcases in 16", 20", 24", and 28" sizes, each designed with advanced features to make your travel experience comfortable and convenient. Also included are 4 compression packing cubes to help you maximize packing space and stay organized. Constructed from lightweight yet sturdy ABS material, this luggage set is built to withstand the rigors of travel. The feather-light design makes it easy to maneuver through airports and train stations, while the durable ABS ensures your belongings are protected throughout your journey.Each suitcase features a built-in 3-digit TSA lock for added security, providing peace of mind knowing your valuables are safe. Effortless travel is guaranteed with the smooth-glide 360-degree spinner wheels. These quad wheels allow for effortless maneuvering in all directions, making navigating crowded spaces and bumpy surfaces a breeze.for your belongings. The 24" and 28" suitcases offer an added bonus with their expandable feature, enabling you to pack more when needed. With an additional 25% of packing space, you can enjoy greater flexibility without compromising luggage size.Accessorized with elastic cross-over straps and mesh pockets within the luggage interior, organization is a breeze.