From the Manufacturer
The "World's Lightest Luggage Set", made of a blend of Polycarbonate and ABS mixed into the shell makes this extremely durable. The Polycarbonate allows the shell to absorb impact by flexing when under heavy stress.
Product Description
The Xcase XL 3 piece set weighs a mere 10 kg ( 22 lbs which makes it the 'World's Lightest Luggage Set'.

