A 40-litre volume means that this bag is best used as carry-on. With its hard casing, it's easy to clean and it weighs 5.2 kg, so it's sort of hefty.
From Selfridges
Samsonite Aluminium Lite-box Alu Spinner Hard Case 4 Wheel Cabin Suitcase 55cm - ALUMINIUM
This product is also available at 1 unverified store.