5PCS Funny Bird Whistle Magic Fun Bird Caller Tongue for Kids and Adults Use Bullet Points: Raise Your Sound: Make innumerable different bird sounds (local and exotic) and create stunning sound effect with the unbelievable bird whistle. And it can raise your voice an octave. Safe to Use: Being smooth, small, and not hurting the mouth, the bird call whistle is made of safe and food-grade paper material, great for kids to play with. Applicable Occasions: The slide whistle is suitable for many occasions, such as birthday parties, theme parties, graduation parties, housewarming parties, and more. Simple to Operate: Place the film half-moon-side outwards on the tongue. Let your mouth become moist with the whistling. When it is soft and moist, place it on the roof of your mouth and speak the phrases. Great Present: The funny bird calls are ideal for children's party favors, Christmas stocking stuffers, Easter basket fillers, and other holiday and party gifts. Specification: Product name: bird whistle Weight: 39g Size: about 16.7*16.3*1.3cm/6.57*6.42*0.51in Material: paper Quantity: 5pcs Packing List: Bird whistle*5 Notes: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed in the pictures. Please forgive a slight measuring deviation due to manual measurement.