This Kono Hard Shell 3 Piece Suitcase Set 20 inch: 55cm * 40cm * 22cm - 2.1kg 24 inch: 65cm * 41cm * 26cm - 3.1kg 28 inch: 74cm * 48cm * 30cm - 4kg 20 inch suitcase is cabin friendly - always check with your airline as cabin luggage dimensions can differ. All measurements are external, internal measurements may differ approx. 1-2cm. Product Details 4 x 360 °swivel wheels distribute the weight of your suitcase evenly and ensure easy gliding through busy airports or train stations. Retractable, easy grip telescopic handle with multiple height settings. A TSA accepted fixed 3 dial combination lock to offer maximum security. This lock allows your luggage to be unlocked and inspected by security authorities without damage. There are two normal handles - one on the top and one on the side. Four plastic feet on the side to rest the bag on. The main compartment features nylon straps with a buckle that can secure the contents on one side, the other side is secured via a zip. All locks are pre-set to \'000\', to change this you need to press the reset button (with a pen or toothpick). Change the three numbers to your desired code. Let go of the reset button and now the code is set.  Make sure it is something memorable for you but not too simple.