This set is ideal for personal and business travel which is in line with airline standard. It will transport your travel essentials effortlessly and stylishly. The set can be stored inside each other, offering more convenience and saving storage space. What we want to offer our customers is more than a solid case, but the customer's own style and cool life. Ready to travel with your cool life? Fully-lined interior with a separate mesh pocket, functional elastic cross ribbons to secure the packed clothes. 3 piece luggage set fits inside each other, features one 28inch suitcase for consignment, one 24inch suitcase for checking in and one 20inch suitcase suitable for carrying onto the plane. Measures: Size: 20’ L22in* W9in* H15in 24’ 27in* W11in* H17in 28’ L30.3in* W12.4in(14in when it is expandable)* H19.7in Capacity : 20in38L 24in60L 28in 93L Weight:20in6lbs 24in7.3lbs 28in9.7lbs Travel days: 20in1~4days 24in4~7days 28in 7~9days 360° Double Wheels The most important feature for luggage wheels is durability and quality. The double wheels will not involve any weed or other small rubbish during usage as for its advanced design. TSA Lock TSA combination lock with resettable code for secure travel in the USA. Expandable Feature 28in is expandable will give you 15% more packing capacity. It does not matter whether you are a frequent flyer, weekend traveler, or occasional vacationer, expandable luggage is an essential part of modern travel.