Material: bamboo Size:4.5*4cm Color: As shown in the picture High-Quality & Safe Material: Made from premium food-grade silicone, this bottle adapter is soft, flexible, and safe for both kids and adults. Its BPA-free, odorless, and easy to clean, ensuring long-lasting use. Universal Fit for Most Bottles: Designed to fit standard (mineral water bottles) and other similar-sized bottles, this adapter is versatile and convenient for on-the-go use, whether at home, school, or outdoors. Anti-Spill & Anti-Choking Design: The innovative silicone spout prevents spills and reduces the risk of choking, making it perfect for babies, toddlers, and even adults who want a mess-free drinking experience. Multi-Functional & Portable: Use it as a sippy cup replacement, travel bottle accessory, or sports cap. Its compact and lightweight design makes it easy to carry in bags or pockets for everyday use. Ideal for Active Lifestyles: Whether your hiking, traveling, or simply enjoying a day out, this adapter ensures a smooth and controlled drinking experience, making it a must-have for families and outdoor enthusiasts. Package includes: 1 package containing 1/4 products.