PREMIUM MATERIAL: Made of high quality material, durable and safe Soft, well elasticity, can stay on the bottom of the pool DIVING TRAINER FOR KIDS: These scuba toys are a great training aid for underwater swimming, parents can use these sink toys to train their children to hold their breath for a long time underwater ENTHUSIASM: children enjoy and have fun to the challenge GREAT DEGREE OF IDENTIFICATION: Long tails float upwards in the water and brightly colored, ribbon-like seaweed makes viewing and retrieval easier for novice divers EXERCISE CAPACITY: Can also promote child's ability of color cognizance, potential creativity, imagination and socialization. Quantity delivered: 3 pieces Note: The data is manual measurement, please allow 1-71cm error, due to differences between light and screen, there will be a certain difference in color, the specific received in kind shall prevail.