柔软且极富弹性的物质。 能有效隔绝水与雷电，带有特殊气味，若长期暴晒于烈日或火焰下会变软变脆。主要产自与红色沙漠相邻、气候湿热的热带雨林。
A soft, highly elastic material. It effectively blocks water and lightning. It has a slightly unusual smell, and prolonged exposure to intense sunlight or fire gradually makes it softer and weaker. Can be primarily found in the hot and humid rainforests bordering Crimson Desert.