Thank you for viewing. Product Details ・Used mushroom bed blocks made from 100% domestic Japanese oak, suitable for shiitake mushroom cultivation. ・Can be used for making insect breeding mats. ・Suitable for reuse experiments and mushroom bed research. Features ・Safe and secure, made from 100% natural Japanese oak. ・Easy to handle in block form, and effective for soil improvement when mixed into the soil. Product Details ・Used mushroom bed blocks made from 100% domestic Japanese oak, suitable for shiitake mushroom cultivation. ・These blocks have already been used for mushroom cultivation, and shiitake mushroom production has already finished. ・Can be reused for ornamental purposes, home gardening, composting, gardening, etc. ・The blocks will be completely dry. They will become easier to crush if soaked in water for a full day. --- Size and Quantity ・Height: Approximately 13cm ・Diameter: Approximately 10cm ・Quantity: Set of 14 (see photos) --- Notes ・Shiitake mushroom production is not guaranteed due to the used mushroom bed. ・There may be variations in shape and color due to the use of natural materials. ・Will be shipped in simple packaging, wrapped in newspaper. ---- 【Shipping】 ・Will be shipped in a cardboard box, protected with newspaper. ・Will be shipped via Rakuraku Mercari Bin / Yu Yu Mercari Bin.