The SB Travelbags Suitcase is made from a sturdy polyester, making the suitcase very robust, strong, and lightweight. The suitcases are equipped with a combination lock that is easy to change, and on the front, there are two zippered pockets, while on the back, there is a fixed address label and handles on the top and side. The 4 swivel wheels ensure optimal travel comfort. The suitcase also features a zipper closure all around and has an 'expandable' zipper that allows the suitcase to become wider. Technical information: Suitcase 75cm: total: approx. 75 x 45 x 28 cm Volume: approx. 110 Liters Weight: 4.4 kg Suitcase 65cm: total: approx. 65 x 40 x 26 cm Volume: approx. 75 Liters Weight: 3.8 kg Suitcase 55cm: total: approx. 55 x 34 x 22 cm Volume: approx. 40 Liters Weight: 3.2 kg Note: Dimensions include wheels.