Designed with small mouths in mind, the JW? iSqueak? Hedgehog Ball is perfect for puppies and small dogs. Great for fetch, the iSqueak Hedgehog Ball is made of a transclucent durable rubber and has a unique shape that provide an erratic bounce path when thrown that puppies love. Featuring JW's intelligently designed squeaker technology, the squeaker in the JW Hedgehog Ball is designed to fall inside the toy instead of out, helping prevent choking hazards. Keep your pup entertained with the JW iSqueak Hedgehog Ball.