About smell: this product is made of 100% non-toxic and environmentally friendly PVC material. All the products are newly produced by the factory. When PVC products are opened for the first time, there will be some smell. Just like you buy any baby plastic swimming pool or ring on the market, there will be a smell when you use it.

Patting the ball, because the material has a good elasticity, parents can according to the baby needs, inflatable up to 23cm within various sizes. The cooling time of PVC balls is different in the production process, and each size is slightly different after deflating. Please do not worry. Each ball can be inflated to 23cm!