- Medical-Grade Borosilicate Glass: Designed to endure extreme temperature fluctuations, this durable glass allows you to safely pour boiling water into a frozen bottle without the risk of cracking. - V-Shaped Spout & Notched Silicone Ring: Experience mess-free hydration with our innovative spout design that ensures smooth, controlled pouring without drips. - 304 Stainless Steel Filter & Lid: The ultra-fine holes in the filter prevent residue from escaping while the rust-proof stainless steel construction guarantees long-lasting performance. - Heat-Resistant Thickened Handle: Enjoy a comfortable and secure grip with our ergonomic handle, which is engineered to prevent burns when handling hot liquids, making it easy to pour safely. Use Scenarios: 1. Home Brewing: Ideal for tea or coffee enthusiasts who need to brew hot beverages without worrying about the glass cracking. 2. Outdoor Adventures: Perfect for camping or hiking, this bottle can handle extreme conditions, ensuring you stay hydrated with ease. 3. Everyday Use: Whether you're at home or in the office, this bottle provides a practical solution for storing and pouring beverages without mess. This product combines functionality, compatibility, and performance, making it an essential addition to your kitchenware. The high-quality materials used ensure durability and reliability for all your hydration needs.