High-Pitched Voice Changer Whistle (5 Pack) High-Octave Voice: This magical little whistle is placed on the palate and changes your voice to a high octave, allowing you to create amazing sound effects. Smooth and Safe: No sharp edges, making it very safe for children. Features a smooth, thickened paper construction. The whistle is waterproof, eco-friendly, and durable. Versatile Use: Suitable for various occasions such as birthday parties, theme parties, graduation parties, housewarming parties, and more. Easy to Use: Rest on the tongue with the crescent shape of the film facing outwards. Allow the whistle to become moist in your mouth. Once moist and pliable, press it to the palate with your tongue and speak. Great for Kids: Suitable for use at home, in the classroom, at family gatherings, or at party games. A perfect stocking stuffer or Easter basket filler. Color: As Shown Material: Metal Package Contents: 5 * Whistles (Only the above package content, other products are not included.) Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Your satisfaction is our top priority. We will provide you with the best service. If you encounter any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!