To provide a protection jacket for a robot that can improve applicability to robots in various shapes and improve cleaning performance.SOLUTION: A protection jacket 3 is made of a cylindrical sheet-like member, one end of which is fixed to a tip part of an arm of a robot, which covers a range from the tip part to an installation part side. A plurality of wire 4 for adjustment that are fastened and loosened by external force to adjust an outer shape of the sheet-like member are arranged across a circumferential direction of the sheet-like member. This can adjust the outer shape of the protection jacket 3, according to an outer shape of the robot arm.SELECTED DRAWING: Figure 1
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