I bought these for my son for his birthday when they arrived I was so disappointed horrible horrible I looked at every ball not one was flattened or squished not one...
Step2Staff:The play ball assortment balls are made from Low Density Polyethylene. BPA (Bisphenol A) is an organic compound commonly used in the manufacturing of polycarbonate plastics. We do not use this plastic in anything that can be chewed, sucked on, or placed into a child's mouth. These balls do not contain BPA. This play ball assortment has been tested and verified to comply with world wide toy regulations and standards of safety.Apr 22, 2013