I'm Your Sweetree Drink (333ml / 500ml / 1.5L) Acer mono sap is only available for a short period of time in the spring. Now, Drimin invented a new technique to concentrate and reduce Acer mono sap (Acer mono concentrate), which can be used to produce a drink with 100% sap. Now, everyone can enjoy Acer mono sap throughout the year. The Korean name of Acer mono, Goroshoe, originated from the Chinese word ”Go-li-su (骨利樹).” It means “beneficial to the bone.” In Oriental medicine, the sap of this herbal tree that flowed down was called “Pungdang (楓糖).” It was applied to patients suffering from gastrointestinal disease, lung disease, neuralgia, and arthritis. The Acer mono sap is rich in natural sugars.