These Japanese bamboo charcoals naturally purify for great-tasting water. They have a porous surface that has excellent purification properties in reducing water hardness, absorbing odor, and filtering for a pure fresh taste. To use, simply put the charcoals in a pitcher of water and set them for about 3-4 hours for refreshing, great-tasting water. These versatile bamboo charcoals can also be used to cook soft plump rice. Just add a piece of charcoal along with the rice into a rice cooker. They can also be placed in damp areas for faster drying. Replace charcoal after 1 to 2 months of use. Each pack contains 9 pieces of charcoal. 3 pieces are good for 1 liter of water. Dimensions (per piece): approximately 1.8 x 2.0 inches. Size may vary as it's a natural product. Product of Japan. Traditional Japanese Charcoal Bamboo charcoal and other forms of charcoal are prized for their natural way to purify water for a great taste. Charcoal has been used in Japan to naturally improve water and air for centuries. Natural and Environmentally-Safe Bamboo charcoals are an entirely natural and plastic-free option. Enjoy each glass of water more while doing something good for the environment. Reuse and Recycle Depending on the water used, each charcoal will last up to 1 to 2 months. After that, it can be used as a natural deodorizer, dehumidifier, or recycled into plant soil. 9 Piece Bamboo Charcoals 2 Piece Personal Binchotan Charcoal Sticks from Kishu 2 Litre Binchotan Charcoal Stick from Kishu 1-2 Gallon Binchotan Charcoal Stick from Kishu Japanese Iwate BBQ Lump Charcoal 4 Piece Bamboo Charcoal Sticks Add to Cart Add to Cart Buying Options Add to Cart Add to Cart Buying Options Customer Reviews 3.2 out of 5 stars 6 4.3 out of 5 stars 290 4.1 out of 5 stars 105 4.2 out of 5 stars 93 4.0 out of 5 stars 6 4.2 out of 5 stars 39 Price $17.95$17.95 $16.25$16.25 — no data $19.75$19.75 $95.95$95.95 — no data Type of Charcoal Bamboo charcoal from Japan Binchotan from Kishu region Binchotan from Kishu region Binchotan from Kishu region Charcoal from Iwate, Japan Bamboo charcoal from Japan Amount Included 9 Pieces 2 Sticks 1 Stick 1 Stick 6.6 Pound Bag 4 Pieces One Stick Can Filter Up To... 3 Litres of Water Various Personal-Sized Water Bottles (Up to 1 Litre of Water) 2 Litres of Water 1-2 Gallons of Water N/A Personal Size Water Bottle (About 22 Fluid Ounces) Filtering Time 3-4 Hours 3-4 Hours 3-4 Hours 6-7 Hours N/A 3-4 Hours Plastic-Free ✓ ✓ ✓ ✓ ✓ ✓ Purifies for Great-Tasting Water ✓ ✓ ✓ ✓ X ✓