Durable and practical. Funny and novelty musical whistle , it a sound like the bird call. The material is paper, and the workmanship is fine, you will like it. It is also an outdoor whistle prop. Features -Color:White -Material:Paper -Size:2.60X1.70X0.01cm/1.02X0.67X0.004in -Note:This is not suitable for children under 3 years old because of small parts. -Novelty whistles bird whistle , can imitate the sound of birds, the sound is pleasant and clear. -Great for events and parties, the ambiance of any event, or, for everyday whistling. -This whistle is just a simple accessory, it takes a lot of practice to master the skills, similar to whistling. - the , let the whistle get moist in the mouth, push it to the roof of your mouth with your and say the words. -The bird whistle is very small, please do not let children under the age of 3 play, so as not to accidentally swallow. Package list: 2 x Whistles