The name Fox 40 has become synonymous with innovating and producing the best quality, most trusted pealess whistles in the world. Fox 40 whistles come from real people, real heritage, and real passion. Fox 40 whistles are the preferred choice for professionals and individual safety use. Wet or dry, Fox 40 Pealess Whistles cannot be overblown and never fail! They can be heard for miles and work in all conditions.