The tough model suitcase as the name suggests is made with high-quality aluminium material which gives it a strong interior and exterior. It is one of the strongest suitcases models which can be carried anywhere. The Tough suitcases are available in two classic colours, i.e. black and silver. This suitcase is available in single sizes of 20 inches. It has a secure TSA lock which keeps the luggage inside the suitcase safe and secure. It has an aluminium trolley which makes it easier for the customer to handle and pull at any surface because of 8 wheel systems.