To provide a means which can protect the human body by applying a special display on accessories and equipment or the like being used in the sea water, and imparting an effect which dangerous marine creatures such as a shark instinctively hate.

A large number of blue ring patterns R and 8-shaped patterns E which are similar to a pattern appearing on the body surface of a blue-ringed octopus having a deadly poison when the blue-ringed octopus gets excited are displayed on the breast section ll, the back section 12, the arm section 13, and the under-knee section 14 of the lower limb or the like of a wet suit 1.