Smelleze® Eco Reusable Deodorizer Pouches remove odor & smell without masking with harmful fragrances. For a breath of fresh air, simply place or hang the reusable Smelleze® pouches near the odors or place on return air ducts and smell the difference. It is also a eco-friendly, recyclable, non-toxic, odorless & natural green cleaning and odor removal product.