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Swim ring is essential aids for swimming beginner. Especially for children, it not only could protect them safety in water, but also help children gradually adapt to waterborne. Child-mother swim ring is a new swim ring that could let adults and children entertain commonly in water. Big and small swim rings are connected through flexible plastic buckle. Evert the small swim ring, adults can protect children common wading. Turn on a small swim ring, and it can be served as a backrest, and let people lay on the swim ring. Split the two swim rings, it could be used individually for adults and children.
Dalian Minzu University
Dalian, China
Dalian Minzu University
Dalian, China
Delin Hou,Rui Zhang,Hai Liu,Song Qiao