Under-Floor Bamboo Charcoal - Bagged Type - For Concrete Made in Japan - Safe and Reliable Product from a Specialized Under-Floor Bamboo Charcoal Shop Health Housing Bamboo Charcoal Center 【Benefits and Effects of Under-Floor Bamboo Charcoal】 ★ Bamboo charcoal emits several times more negative ions than Bincho charcoal, making it excellent for suppressing magnetic fields, promoting relaxation, and maintaining health! ★ Promotes restful sleep through its mental stabilization effect! ★ Prevents decay caused by rot fungi. ★ Deterrent to pests such as mites and termites! ★ The heat-retaining effect of charcoal keeps you cool in summer and warm in winter, preventing condensation and maintaining comfortable humidity! Deodorizes, disinfects, suppresses formaldehyde, sick building syndrome, and mold growth - extends the life of buildings - has a purifying effect! ※ Features of the charcoal bags: Thick non-woven fabric is used, allowing air to pass through but not moisture. It absorbs moisture when the humidity exceeds 60%, which people find uncomfortable in their daily lives, and naturally releases moisture when it falls below 60%, maintaining comfortable humidity. Also, bamboo that has grown for over 5 years is harvested and burned in a computer-controlled rotary humidity-control carbonization furnace, so the carbonization temperature is stable, and there is no worry about the bamboo charcoal molding. Furthermore, the humidity control effect lasts permanently. Also, upon investigation, the following uses seem to be recommended: ・As a soil conditioner for gardening and agriculture ・As a dehumidifier for closets and under floors ・As a deodorizer for shoe cabinets This product was received from a family member. It seems to be the remainder used during the construction of a new house. The receipt indicates the purchase date was August 13, 2023. (Purchase price: 9,600 yen per box) There are 16 bags in one box, and the guideline is to use one box per tsubo (approx. 3.3 square meters). To reduce shipping costs, it may be shipped after being transferred to another cardboard box. There are multiple boxes available. If you would like multiple boxes, please comment before purchasing. In that case, the shipping cost can be reduced.