Earth Care Odour Removal Bags are used by Pest Control Professionals to remove dead rodent odors, urine and faeces odours, musty mildew odours and cigarette smoke odour. Earth Care Bags so not have to come into contact with dead rodent or odor causing agent and works even if carcass is not removed. Bags are eay to use and last around 3-4 months in use and contain no chemicals, toxins or frangrances. Simply place the bag near the odour and in 24 hours the odour will be gone. Earth Care does not mask odours, it removes them.