The Waverider hardside collection features super lightweight suitcases that expand for extra packing capacity when required. It is made with a super strong polypropylene shell with dual texture technology. It features a fixed TSA security lock, and a fully al interior with dual packing straps and convenient pockets. Approximate weights and measurements: SP55cm - 55 x 39 x 21 cm - 2.8KG - 45L SP66cm - 66 x 48 x 26 cm - 3.4KG - 74L SP75cm - 75 x 54 x 32 cm - 4.2KG - 119L