Large suitcases have a height of around 75cm. These suitcases are ideal for a 2 to 3-week trip, like to the French Riviera. The suitcases have a capacity of about 75 to 91L, which equals to about 15 to 20kg of luggage.

For two people traveling for a full week, a single 20kg (44 lbs) bag is generally not enough unless you are very disciplined "minimalist" packers or traveling to a tropical climate where clothes are thin. A 20kg limit means each person only gets 10kg of gear. Considering that a standard medium-sized hardshell suitcase itself weighs about 3–4kg, you are left with roughly 8kg of actual items per person. This must include shoes (which are heavy), toiletries, electronics, and clothing for seven days. If you are going to a beach destination where you only need swimwear, shorts, and sandals, you might scrape by. However, for a city break or a winter trip requiring coats and boots, 20kg is extremely tight for two. Most travelers in 2026 find that for a one-week trip, two 15kg bags or a single 30kg bag provides a much more realistic buffer. Attempting to share 20kg often leads to high "overweight" fees at the airport check-in counter, which can exceed $50–$100 depending on the airline.