Material: PP Package includes: 1*sound generator, 2*straws Five selling points: 1. Innovative design: This straw can make a surprising sound when drinking water. This wonderful experience can attract babies to drink more water. 2. Safety and health: We use environmentally friendly materials to make it, which is tasteless, ensuring that it can be safely used by babies. 3. SOLID: High-quality materials and design ensure that the straw is sturdy. Babies can use it for a long time without wasting the environment. 4. Diverse ways to play: This straw has nine different sound effects that can be switched. You can experience different fun every time you drink water, making your baby's life more interesting. 5. Cultivate good habits: Drinking water can become an interesting thing, making babies like drinking water, and at the same time, they can develop good drinking habits, which is beneficial to the healthy growth of babies.