How about driftwood, with its rugged and beautiful natural shapes? Suitable for various uses. This driftwood can be used for a wide range of purposes. For those using it in water: It has been soaked in water for a long time, but brown water may still leach out. There is no harm. Size: Approximately 28 x 28 cm Driftwood with tannin removal treatment. Collected in 2025. Location: Chikugo River upstream, Fukuoka Prefecture. Driftwood found: Partially submerged in water. Tannin removal process: High-pressure, high-heat cleaning Brushing Boiling sterilization at approximately 65°C (for about 2 hours) We are particular about the temperature and time. Water soaking (30 days) (Using driftwood-specific super-activated carbon "Black Hole") Washing and brushing Sun drying Kou-chan's driftwood is finished and sold in about 60 days. UV sterilization For those who want to use it immediately in water: During the treatment process, it was soaked alone in water, but since it is currently completely dry, it will not sink immediately. You will need sinking items. If you have any questions or want more information, please comment. Many other items are also available. We have many high-quality and well-shaped items, so please take a look.