PROBLEM TO BE SOLVED: To practice swimming for elderly people, beginners and persons with disabilities because their muscle strength is weak and their legs and hips are submerged in water and it is difficult to move forward. We provide a waist pad for swimming that you can attach to your body and float. SOLUTION: This is a gentle U-shaped curved rectangle that fits the lower abdomen of a human, and has four corners diagonally cut or rounded at the top, bottom, left and right to avoid water resistance, and the thickness is A velcro floating pad 2 with a length of 7 to 20 mm and a round curved or diagonal cut at the bottom and bottom of both ends of the rectangle so that it is easy to move. A device for practicing swimming by putting it in the part or the back, or both the front and the back as it is, or attaching uneven surface fasteners 4 and 5 and stopping it inside or outside the swimsuit with a rubber band with the surface fastener. A waist pad for swimming, which is characterized by the ability to increase buoyancy by adding a spare buoyancy pad and to practice swimming in a natural way. [Selection diagram] Fig. 1
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