Product Information Material:PVC Bright colors and cartoon patterns: The design of the arms and floating boats are bright in color, including blue, red, pink, etc., full of summer breath; the cute cartoon pattern on the arm includes red crabs, shells, sharks and unicorn, which can attract children Interest of swimming. Convenient to inflatable and air deflation: You need to open the valve, inflatter the inflatable swimming arm to 70 %, then wear it on the arm, and finally, continue to inflatable them to 90 %; when you do not need them, just open the valve to open the valve , Let the air discharge and put them in them, do not take up too much space Reliable materials: Floating bags are made of PVC materials, waterproof, not easy to break or leakage. In addition, the soft surface makes you comfortable to wear Swimming beginner's good helper: When swimming, you can be used as your assistant. Specifically, they can help your hands float on the water and maintain a balance instead of floating in the water to save you energy and improve swimming performance. Package included: 1 Pair Kids Swimming Sleeve Note Please allow 2-3 cm difference due to manual measurement. Besides different computers display colors differently, the color of the actual item may vary slightly from the below images, thanks for your understanding(1 inch = 2.54 cm)