This 4-piece luggage set is made from environmentally friendly, ultra-light polypropylene material, offering exceptional resilience and durability. Designed for family, business, or leisure travel, the set includes multiple sizes to suit different packing needs. The larger suitcases feature expandable capacity for up to 25% additional space. Each piece includes a TSA-approved lock for secure travel, silent 360° double spinner wheels for smooth movement, and a fully lined interior with tie-down straps for organized packing. Reinforced top and side handles make lifting and carrying convenient.