SIZES: Carry-On 16.25" - Overall Dimensions: 16.25x13.5x8 IN, Packaging Dimensions: 12.6x13x8 IN,Weight: 4.85 LB, Capacity: 21L Carry-On 24" - Overall Dimensions: 24x16x10 IN, Packaging Dimensions: 20.5x14.8x10 IN,Weight: 7.3 LB, Capacity: 49L Medium Checked (27") - Overall Dimensions: 27x19x10.6 IN, Packaging Dimensions: 23.6x17.3x10.6 IN,Weight: 8.82 LB, Capacity: 54L Large Checked (31") - Overall Dimensions: 31x21x12 IN, Packaging Dimensions: 27.5x19.3x12 IN,Weight: 11.02 LB, Capacity: 104L AIRLINE COMPATIBILITY: The cabin size luggage in this set is compatible with over 100 airlines operating in the USA and around the globe. Including overhead carry-on and underseat (Personal item) for South west, Virgin and Frontier approved airlines. So whether you're flying for business or jetting off on your next adventure holiday this cabin bag will give you the most flexibility across your travels. The perfect purchase for your next trip by plane, train, vessel, coach or car. LUGGAGE PROTECTION: Whenever and wherever you travel we know your luggage and contents are precious to you. The unique PC+ABS combination forms the extra thick hard outer shell which has a rugged anti-scratch water resistant surface. The highest quality materials ensure the suitcase is impact-resistant and durable whilst being lightweight. Withstand the rigours of modern transport and airline handling protecting your luggage and its contents during your travels. 3 Years manufacturers warranty. FEATURES: Adjustable and sturdy aluminium 3-step telescopic handle system offers effortless manoeuvring even in the tightest of spaces. The fully lined interior and the multi-use organizational pockets make packing clothes easy, double stitched to prevent wear and tears. Four double super silent spinner wheels, designed for full 360°manoeuvrability and tested extensively on different surfaces and conditions to ensure endurance and strength, extensively drop tested with a 100% pass rate. TSA APPROVED INTERGRATED LOCK: The built in TSA approved 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. The TSA is the US government agency that is in charge of airport security at all US airports with a TSA-approved luggage lock, the TSA will have a universal key to open the lock to check your bag and then re-lock it to ensure it remains secured. Travel smarter and in style with the Flight Knight 4 Piece Hardside Luggage Set, designed for modern travelers who want durability, organization, and smooth mobility on every trip. Whether you’re packing for a weekend getaway, family vacation, business trip, or international adventure, this expandable suitcase set gives you the flexibility and convenience you need. Crafted with a tough yet lightweight hardshell exterior, each suitcase helps protect your belongings from bumps, scratches, and rough airport handling while keeping your luggage easy to maneuver. The 360° silent double spinner wheels glide effortlessly through airports, hotels, and busy streets, while the telescopic handle provides comfortable control on the move. The included 24x16x10" carry-on suitcase is designed to meet the maximum cabin baggage size requirements for popular airlines including Virgin and Southwest Airlines, helping you avoid unnecessary baggage fees and travel with confidence. For added peace of mind, every suitcase features a built-in TSA-approved lock, allowing TSA agents to inspect your luggage without damaging the lock while helping keep your belongings secure during travel.