Amazon List Price: ¥5,990 This is a masu (wooden square cup) made from Yakushima Yakusugi cedar. If you are interested, please consider purchasing it. About this product: One-go masu from "Morikuru," a brand operated by SG Wonder zone. This is a set of 4 one-go masu, made in Japan by craftsmen using the rare wood "Yakushima Jisugi cedar." Size: Approximately 84 x 84 x 52mm / Weight: Approximately 100g Although it is a planted tree, it has not been touched by human hands for many years and has grown like a natural tree, so branch pruning has not been done. Fine knots (leaf knots: habushi) may be present in some products, even near the core. Please note that alcohol will not leak from the leaf knots, and consider this as a characteristic of natural wood.