Questions about Samsonite Lite-Cube

Why only 24 months guarantee? A case in this quality category has at least 60 months (5 years) guarantee.

Does this case not have a key ? Or why is a case lock integrated ?

Does this case from Samsonite fit this suitcase? https://www.galaxus.ch/de/s8/product/samsonite-kofferhuelle-schutzhuelle-reisezubehoer-12242759?supplier=4481025 The sizes don't quite match, so I'm unsure. If not, is there a case that would fit? I haven't found anything bigger.

What a question. I have had this suitcase model (predecessor) for years. It is used very often for air travel. It has normal wear and tear. However, it has never had any serious damage that would require repair. In my opinion, this model does not need a guarantee. My Rimowa suitcase also has a two-year guarantee.

Does the suitcase now weigh 2 kg, as stated by you, or 2.2 kg as stated by Samsonite and others?