1. Environmentally friendly, recyclable and easy to degrade; 2. Safe, no precipitation of harmful chemical elements; 3. User-friendly, no sharp burrs, etc. Disadvantages of injury: 1. High cost; 2. Hot drinks are easy to dissolve; 3. Hot-sealed drinks cannot directly pierce the cover; 4. It has a shelf life and has requirements for the preservation environment. Paper straws are mainly of great significance to environmental protection. http://www.degradabletableware.com/paper-straws/