●1.Made of good quality durable plastic material, safe and environmentally friendly. It can be used for long A whistle set. Colorful pattern, very beautiful and attractive ●2.Stretch and shrink to play It is a great tool for children to play with, and is recommended for breathing training as it breathes a lot of breath ●3. When you blow it back, it will make a sound of paper, but it doesnt sound like a whistle. And along with colorful paper, these funny toys will add more joy to your gathering ●4. These whistles will provide you with the party favor you need. Lightweight and easy to carry and carry ●5. Perfect for enhancing the atmosphere of your holiday party. Surprise your guests at any occasion such as birthday party, family party, festival, etc