Anti-collapse ring Anti-collapse ring is included in the bottle, providing a comfortable grip and helping to maintain its shape when filled with water, ensuring it remains stable and easy to use without collapsing. This design improves durability and provides a more reliable experience during activities such as hiking and traveling.Lightweight and Portable:Designed to be lightweight and easy to carry, this water bottle is perfect for long trips and outdoor adventures. It won't add unnecessary bulk to your bag, making it a convenient choice for hiking, camping, and daily travel.Leakproof Design:This bottle features a secure, leakproof seal, ensuring no spills or leaks during use. It keeps your belongings dry and protected, making it an excellent choice for traveling, hiking, and other outdoor activities.Collapsible Design:This water bottle collapses down to just 1.5 inches when empty, allowing you to save space and easily store it in bags or backpacks. Its compact design is ideal for travelers and outdoor enthusiasts who need convenience without sacrificing functionality.Color:With its stylish dark green color, this water bottle not only looks sleek but is also dirt-resistant, making it ideal for outdoor activities. The natural tone adds a fresh, earthy aesthetic while being practical for rugged Scenario.