This "Pea-less" whistle packs a punch with its extremely loud, high-penetrating sound that cuts through long distances effortlessly. And get this, it's water-resistant! Just one quick blow and it's ready for action, no matter the conditions. Whether you're out on the water or in the great outdoors, this whistle is your trusty companion for safety and communication.“Pea-less” whistle.Produces an extremely loud, high, penetrating sound that can be heard over long distances.Unaffected by water; just clear with one quick blow.SpecificationsCalifornia Prop 65Warning