Keep your refrigerator free from odors while looking neat and organized. So simple and easy to use. And MUCH better-looking than those big ugly boxes! Simply fill with baking soda and place anywhere in your fridge. Odors will be absorbed and your fridge will stay fresh-smelling for up to 30 days. Has a flat bottom to be placed free-standing or use the built-in hook to hang from a rack. Made from durable, BPA-free, food-safe plastic. Dishwasher safe for easy clean up. Measures 4 x 2.25 x 2.25 inches.