Complete 4-Piece Luggage Set：The 28-inch checked suitcases expand for 20% more packing capacity – perfect for souvenirs.The 26-inch medium size best for 5-6days trips.The convenient 20-inch carry-on luggage fits all overhead bins.The 13-inch cosmetic case is ideal for weekend getaways.4 piece luggage set 13 inch 20 inch,26 inch,28 inch upright, can be stored one into another.With a variety of sizes, it's perfect for family vacations, business trips, or solo adventures, ensuring you have the right storage for every travel scenario. Smart Organization System：Designed with travel convenience in mind, this suitcase offers ample storage with dedicated independent waterproof zipper compartments, Interior features cross-compression straps and zippered compartments to separate clean/dirty clothes.The fully lined interior and the multi-use organizational pockets make packing clothes easy. Premium Zippers&TSA Lock:Our suitcase with smooth and durable zipper, providing you with more security when travel.Integrated 3-dial TSA approved combination lock allows you to secure your suitcase and the valuable items that are stored within and also helps hold your bags zippers together, so they don’t accidentally open while in transit. When traveling, only TSA personnel can inspect your luggage without damaging the locks. Durable&Lightweight Construction：Our luggage are crafted with high-quality ABS materials which has a rugged anti-scratch water resistant surface.This high quality materials ensure the suitcase is impact-resistant and durable while being lightweight.Withstand the rigours of modern transport and airline handling protecting your luggage and its contents during your travels. Adjustable Telescopic Handle&Silent 360° Spinner Wheels: Ergonomic 3-step telescoping handle offers versatility and convenience.Adjust the handle to your preferred height for comfortable pulling, and easily fold it away for compact storage. Equipped with premium silent 360°spinner wheels,four double spinner wheels assuring a stable base with multi-directional rolling with zero weight on your hand for easy travel. Cup Holders & Charging Ports：20-inch carry on luggage is engineered with a universal cup holder for most water bottles, coffee mugs and umbrellas.Built-in charging ports allow on-the-go power access for Type-C / USB devices(portable power bank not included)，making every journey easier and more enjoyable. AAIVV Luggage 4 Piece Set Suitcase with TSA, Airline-Approved Hard Shell Expandable Double Spinner Rolling Wheels Suitcases for Lightweight Travel