Mermaid Ankle (for children under 15) This mermaid ankle is an accessory designed to make children's swimming learning more interesting. In addition to increasing the child's confidence in the water, he can also use this to practice the body's fish-style water and rhythm. Product features and introduction: 1. Help your child to increase their confidence in the water. Through the fun shape, the children's swimming and water sports lessons become more interesting and more willing to be close to the water. 2. Fast-wearing and quick-disconnect design The fast wear-and-wear design makes the product safer when used in water. 3. Help train the strength of the leg muscles. When the child uses this product to practice the rhythm and balance of the fish body and legs, it also strengthens the strength of the leg muscles. 4. The ultra-soft material of the foot bag is designed to make the child feel more comfortable when wearing it. The soft material of the foot strap makes the heel of the heel more comfortable and provides greater flexibility. The shoes and shoes of the shoe size 1-6 No. 2-7 girl. 5. Children under the age of 15. Special precautions: Due to the product's attractiveness to children and the progress of swimming, in order to prevent children from using the product to swim too far or swim to the deep water area, the use of this product must be in adults with children's life-saving ability or Used under the supervision of the coach.