These colored Halloween whistles make a shrill noise, perfect for scaring away ghosts and goblins. Party guests will love making noise at your next Halloween party or event with these whistles. Individually packaged for cleanliness. Add these to your next Halloween party favor loot bag. Stock up on all your Halloween party supply needs with US Toy. We have a wide selection of Halloween decorations, party supplies, noisemakers and favors to choose from. Shop our site and make your party a spooktacular night!