My Balls by CMS pack of 400, 2.5 inch Ball Pit Balls, in 5 bright colors, Phthalate free BPA free Plastic. 400 (4 x 100 Balls) quality plastic ball. Manufactured with Phthalate & BPA Free Plastic.` Using an unique 2-stage blow molding process to ensure consistency of thickness & quality, each Ball will withstand up to 70 pounds of pressure. Guaranteed Crush-Proof or your Money Back. Designed for Home Use Only. 2.5" Air-Filled Soft 100% Plastic(non-PVC) Ball Pit Balls. Just the right size for the younger childs, and yet soft enough not to hurt the kids.` Great for Moose Mountain, Playhut, Blast Zone, eWonder Tent, Intex, Banzai, or any other Ball Pit, Kiddie Pool, Playhouse, Playpen and/or Playcenter Bright Colors, Safe, Non-toxic, and easy to clean. This product meets CPSC standards.