Swimming circle size: The outer size of the swimming circle is 108cm, the inner size is 42cm, and the thickness is 0.25mm. It is suitable for adults who are starting to learn swimming. Unique design: Our inflatable swimming ring adopts watermelon and donut design, with lovely shape and bright colors, adding more fun to your water activities. Easy to inflate and portable: With the improved valve, the swimming ring can be easily inflated, reducing the possibility of air leakage. You can deflate it when you are not using it, fold it and carry it, it does not take up space and can be used repeatedly. An ideal toy for summer: This ring Inflatable swimming pool is perfect for a summer pool carnival, beach or themed party. It is not only a tool for beginner swimmers, but also a decorative element for any summer party. The swimming ring adds fun to summer and allows you to enjoy a cool summer with your family.