4 Piece Luggage Sets - The luggage set of 4 pieces offers 20" carry on luggage, 28" large check-in suitcase, expandable duffel bag and toiletry bag, can be nested together for easy storage. Size:20 IN suitcase dimensions(included accessories): 13"x8.9"x20.5";28 IN luggage dimensions(included accessories):18"x12.2"x28.3"; Expandable travel bag dimensions :longest length: 23", shortest length: 15.7", width: 8.3", height(without extension): 12.2", expansion part height: 3.9";Toiletry bag dimensions: 10 "x5.5"x4". Durable & Waterproof: Our family suitcase set features sturdy watertight ABS external, which is easy to clean and long-term use. It can carry a large weight while having four spinner wheels that can move effortlessly in any direction. Large Capacity:20" & 24" & 28" all can be expandable +25% space, never bother packing the last few items again. Full zippered compartments and X-cross straps provide practical storage space for your items. Keep your items organized after every trip! Travel Luggage Assistant: Expandable duffel bag and toiletry bag for some carry-on items and waterproof design. Top and side handles allow you to pass through all kinds of stairs and ladders at will. The Merax Luggage Sets Made of lightweight and durable ABS material upgraded with strong resistance to stress, high and low temperatures and impact. Built-in reinforced corner guards provide extra protection and minimize damage. Large storage space and fully lined interior with zippered compartment to keep your items organized. Low profile top and side handle provide for ease in handling.