Two wheels with ball bearings. Twin-tube telescopic handle made of aluminum. Can be extended twice. An additional aluminum handle integrated in the shell makes it easier to put the trolley case into and remove from your Porsche. Bag holder to attach to another bag. TSA-approved lock. Material: 100% polyester. Two adjustable dividers with inside compartment. Two zipped side pockets. Fits in all Porsche models. TUV-tested, five-year warranty. Exterior dimensions: 20.67 x 15.35 x 9.53 in. Approx. 42 l volume. Weight: 4.3 kg. *Please note, part number is for Basalt Black. Silver as shown retails for $1733.86. Available in other exterior colors. Please contact your local Porsche Dealership for further information.