Inflatable sprinkler toys in the courtyard

If the thickness of the sprinkler toy is not up to the standard: the thickness is too thin, it is easy to be scratched by rough and sharp nails, rings and other objects, causing air leakage, which can not carry the weight of the person, and there is a risk of drowning. The sealing performance is not up to standard: Affected by factors such as the firmness of the joints, the sealing performance will be easy to leak during use, and there is a risk of drowning. Material：         ...