These are used shiitake mushroom cultivation waste blocks. * Recommended for feeding beetle larvae. * Can be used for both domestic and foreign beetles. * Can be used as a substitute for oviposition logs for stag beetles. * Can be used in various ways, such as burying or mixing with fermentation mat. * It is also possible to make fermentation mat with this product. * Since it is stored in a warehouse, small insects may be mixed in. 【Size】 * Height: Approximately 20cm x Width: Approximately 12cm (average) * There may be some errors. 【Quantity】 * 8 pieces 【Shipping Method】 * Will be packed in a cardboard box and protected with newspaper. * The blocks may break during shipping. Thank you for your understanding.