one person play of children because it is dangerous, please let me play under protection by all means. In addition, this product is not a thing made for life preservers. Material: inner circumference / 95 ~ 100cm chest measurement guide when you turn on the body / 70cm air: body, air plug, eyelet / vinyl chloride resin (toy safety standard conformity plasticizer used) string, joint parts / PP Size : You may color of the product, such as design and package subject to change without 6 years of age or older notice: 80cm Target age. About the color of the product image, because there is the case that is a little different from the real thing by the PC, such as your environment, Please note.