The size of the suitcases you need for travel depends not only on what you're carrying but how much you'll carry. If you plan to take just a few pieces of clothing, then a compact suitcase may suit your needs perfectly. However, if you're bringing along several days' worth of clothes, shoes, toiletries, books, etc., then you'll want something larger. As for Biggdesign, we grant you carry-on suitcase sets in a wide color selection and unique patterns that are resistant to wear and tear.Small carry-on luggage with 360° spinner wheels - 20 inch (35 cm * 55 cm * 24 cm): This versatile carry-on bag is designed to fit the overhead bin, so it's great for short trips where you don't have much to pack! It has a 20 kg carrying capacity (own weight is 2.85 kg).Medium Suitcase / 24 inch (40 cm* 65 cm * 26 cm): This suitcase is perfect for longer trips where you'll need more room to store your belongings. It has a 30 kg carrying capacity (own weight is 3.20 kg).Large Suitcase / 28 inch (45 cm * 75 cm * 30 cm): This suitcase holds enough space for almost any trip, especially if you're bringing along lots of baggage. You can fit everything in here, including clothes, toiletry items, books, etc., plus a few suitcases! It has a 45 kg carrying capacity (own weight is 3.70 kg).Biggdesign Hardside Luggage Sets: If you're going on vacation often or international travel is a part of who you are, then this set is the one for you. You'll have plenty of space to pack everything you need with these spinner luggage sets. If you have a larger family or want to bring along some extra personal items, this hard-case traveling luggage set will cover your needs! You can say goodbye to your luggage cover because this wheel luggage set comes with an exceptional design.