* The "Lexus" of whistles. Don't let the cushion, which has been called the "Temperpedic" of mouth cushions, go to your head. The pea-less design allows for maximum noise. * With the loudest, shrillest penetrating power, Fox 40's patented pea-less design is the whistle of choice for professional and amateur sport federations worldwide * Cushioned Mouth Grip(CMG) enhances the original Fox 40 Classic * Innovative thermoplastic material provides superior grip and protection for your teeth * Better grip, better control