It is not Simple Vomiting Bag Powered by a Patented* TechnologyIt is 100% spill proof as it convert the liquid into a thick gel.In spite of leakage due to manufacturing defect, Gel formed does not spillYou can handle the bag carefree as there is no chance of leakage or spilling.Gel formed is completely odor free.All the deadly pathogens are locked in the gel.