Compatibility: Designed for RoyalBaby kids' bicycles, the holder attaches directly to the bike frame’s pre-drilled threads using M5x8MM bolts. Material: Bottle: Food Grade PP5 (Polypropylene) Holder: High-strength plastic Color: White Features: Safe and BPA-Free: The water bottle is made from food-grade PP5 material, ensuring it is safe for children to use. It is 100% BPA-free, keeping your child hydrated without harmful chemicals. Easy Installation: The bottle holder mounts directly onto the bike frame using the pre-drilled threads and M5x8MM bolts (included). Installation is quick and straightforward with basic tools. Secure Fit: The holder is designed to keep the bottle securely in place, even during bumpy rides, ensuring easy access for your child when they need a drink. Lightweight and Durable: Both the bottle and holder are lightweight yet durable, making them perfect for young riders without adding unnecessary weight to the bike. Kid-Friendly Design: The bottle is easy to open and close, featuring a pull-top spout that’s perfect for small hands. Installation Note: Align the holder with the pre-drilled holes on the bike frame and secure it using the provided M5x8MM bolts. Tighten the bolts evenly to ensure a secure fit. Care Instructions: The bottle is dishwasher safe (top rack only). Regularly clean the holder to maintain hygiene. Ideal For: Parents looking for a convenient and safe way to keep their child hydrated during bike rides, with a secure and easy-to-install solution that fits perfectly on RoyalBaby bikes.