Sort of Coal - Activated Charcoal Kuro Cube (Air Purifier/Deodorizer) This Neat Little Black Cube Efficiently Purifies & Refreshes The Air In Smaller Spaces As It Reduces Odors Try It In Places Such As Drawers, Closets, The Car Or Your Refrigerator. Kuro Cube Remains Active For One Year Made With White Charcoal Powder, Which Is The Highest Grade Of Charcoal Available It Can Also Be Used To Keep Food Fresh By Absorbing Ethylene Gas - Try Placing It In Your Fruit Bowl And Your Fruit Will Stay Fresher For Longer! Organically Produced and Handmade in Japan, Packaged in Denmark. Size: 6 x 6 x 6 cm