Eliminate unwanted odours with Gonzo Odor Eliminating Rocks. This 32 oz (907 gram) container is perfect for removing pet, cigarette smoke, and paint smells from your home. Made from volcanic rocks, these odor eliminating rocks are eco-friendly and non-toxic. Simply place them in the affected area and let them absorb the offending odours. They are reusable and effective for up to two years. Keep your home smelling fresh and clean with Gonzo Odor Eliminating Rocks.