The 100% biodegradable "Plant-Based Fiber Straws" are made from bagasse, a residual agricultural waste of farmers, and coffee grounds recovered from coffee chains. The manufacturing process uses cleansing technology, which can effectively reduce energy consumption and carbon emissions, and the product is free of plastic pollution and can be decomposed naturally into water and nutrients in a composting environment at 20-30°C. It can be returned to nature and reused, and this biodegradable, carbon-neutral ecological product greatly reduces the harm to the earth.