There is always a question there to consider about.
When we travel, which ize of the luggage trolley is better to buy, a 20 or 24 inch luggage trolley?
For the luggage trolley, to buy which size is more practical, a 20 inch or 24 inch luggage trolley, we should firstly be clear how big the size of the luggage trolley for these 2 sizes' luggage trolley, so as to buy the appropriate luggage trolley that meets our luggage requirements.
Size of the 20 inch luggage trolley is generally 34(length)*50(height)*20(width)cm. Luggage trolley with/within this size can be taken on board and put into the overhead locker without being checked-in. The clothes for spring and autumn season can basically be brought with 4-6 sets plus some toiletries & cosmatics, Therefore luggage trolley in size 20 inch is better and suitable for a short trip or vocation for 3-7 days.
Size of the 24 inch luggage trolley is generally 42(length)*68(height)*26(width)cm, while this size' luggage trolley has to be checked in the airline. But the 24 inch luggage trolley has relatively larger capacity, which is more suitable for a 5-10-day trip or holiday of a family of 3 people, for both long and short term trip or tour. While due to the large capacity, the weight of the 24 inch luggage trolley is relatively heavier. Therefore, it is not recommended to buy a 24 inch luggage trolley when travelling by individual person, unless you need to take a lot of belongings.
The size of the luggage trolley is generally calculated by the sum of the length, width and height of the three dementions. Different factories or manufacturers, different models have different size measurements, but the difference is not big. Because for the luggage trolley, it is important to see and calculated by the sum of the three dementions. As long as the sum of the three dementions is within 115cm, you can take it on the plane. If the size exceeds it, you have to have it checked. Generally speaking, the luggage trolley that can be taken on the plane are all smaller than 22 inches, or rather, with or within size 20 inch! The size of the checked luggage trolley is also specified for each airline. In general, the sum of the three dementions is not more than 158CM. Therefore, when you are going to buy a luggage trolley, you should choose the appropriate luggage trolley according to your luggage volume, persons to travel together, and mode of travel.