PROBLEM TO BE SOLVED: To provide a rat-proof tube which can suppress the irritation to people and enhance the rat-proof effect.SOLUTION: A rat-proof tube 1 has a tube wall 1a comprising a plurality of layers. The tube wall 1a has a rat repellent layer 2 containing rat repellent made of capsaicin. The rat repellent layer 2 has a first rat repellent layer 2a which is the outermost layer of the tube wall 1a and a second rat repellent layer 2b which is inner of the first rat repellent layer 2a. In the percentage content of the rat repellent of the capsaicin in the first rat repellent layer 2a and the second rat repellent layer 2b, that of the first rat repellent layer 2a is smaller and that of the second rat repellent layer 2b is larger relatively.SELECTED DRAWING: Figure 1
