inner diameter 23cm hollow ring outer diameter 25cm plastic ring stall ferrule

The outer diameter of this hollow circle is 25 centimeters, the inner diameter is 23 centimeters, and the thickness is 9 inches.Millimeter, pay attention to the joint is the reverse joint, very tight is not pasted gold paper species using new raw materials, environmental protection, durable, wear-resistant, impact-resistant, very beautiful and elegant. Very suitable for primary school students, kindergarten, exercise, games, parent-child interaction activities, competitions. 057985287945, 13516956403 WeChat number and phone number.QQ453893409