This 4-piece carry-on luggage set is made with travellers in mind. Stylish and practical, this carry on set includes suitcases sized at 16", 20", 24", and 28". Each luggage boasts a durable ABS shell, top and side handles, an aluminium top handle, a retractable trolley system, and four 360-degree dual-spinner wheels. Keep your clothing securely in place with the tie-down straps, and stash your toiletries and beauty products in the convenient mesh pockets. Moreover, it comes with six packing cubes for maximum convenience and storage needs. For added security, it is designed with protective round corners and secure TSA locks and combination locks. With its solid, firm, and durable construction, this luggage trolley set is sure to last for years of travel and adventures.