Hard shell made of indestructible polypropylene, abrasion, scratch and water resistant. The expansion gusset offers up to 2 inches for easy packing. Swivel wheels provide 360° maneuverability in crowds and airports. Multi-level telescopic handle with push button mechanism. Rubber carry handles on top and side for easy lifting and carrying. Large inner compartment with several zip pockets. Self-healing #10 zippers for durability Internal compression straps keep clothes in place. Outer and inner dimensions of the spinner: 66cm (H) x 43cm (W) x 28cm (D) + 5cm Extension (8. 10.9 kg.) & 23. 5" x 16" 12.7 x 10 cm. 12.7 cm.