Fashion and Travel Accessories Design Spherical Wheel Luggage by Mojtaba Hosseini Spherical Wheel Luggage is combination of both two wheel & four wheel luggage pros, without their cons. It has unlimited maneuverability, more stability, more packing space & can withstand more weight & pressure. The wheels are completely safe from breakage. Because of using two shock absorber on each wheel, its motion on uneven surfaces is very smooth. It has piezoelectric generator & can generate electricity using impact induced vibration while moving. Besides all the functional advantages, in terms of appearance, it will be a new species of luggage.