Material 1000D nylon for durability and light weight. Purpose These water bottle bags are light and portable, ideal for outdoor activities such as hiking, camping, and trekking. Bottle cage design and features The pocket is sturdy and robust and is suitable for carrying a 0.5 liter bottle. A bottom mesh Drain/vent prevents water from accumulating at the bottom. The bottle cage is suspended from the main backpack by two buckles for secure attachment. Compatibility and use Designed to hold standard 0.5 liter water bottles. Compatible with most backpacks that allow attachment via the two buckles. Use scenarios Day hike: Attach to the side of your backpack for quick, easy access to water on the trail. Camping or trekking: Keeps your bottle within reach and upright inside your pack, reducing rummaging. Travel or daily use: Lightweight option to carry an extra bottle on a daypack or commuting bag. Benefits Durable construction with 1000D nylon for longlasting use. Lightweight and portable design to minimize added weight. Secure attachment with two buckles and a bottom mesh to manage condensation or leaks. Clear capacity indication (0.5 liter) for convenient bottle sizing. Keeps hydration bottle organized and readily accessible during outdoor activities.