3L hydration bladder with wide compatibility and practical features for everyday use and outdoor activities. Key benefits - Wide temperature operating range: withstands -20 to 50 degrees Celsius, suitable for extreme weather conditions. - Broad compatibility: fits most hydration backpacks, and the 100 cm removable hose provides convenient reach for drinking on the go. - Easy to clean and refill: large opening supports filling water and ice cubes, and is wide enough for a hand or bottle brush to reach the interior. - Reliable leak protection: removable drinking tube, soft mouthpiece, and on/off valve help prevent leaks; bite-control design allows easy water flow management. Premium quality and durability - Material: tasteless, BPA-free, designed to avoid imparting any taste to the water. - Safety and testing: pneumatic pressure tested and pressure tolerant. - Durability: double sealing on the sides enhances long-term durability. Practical design details - Large opening for easy filling and cleaning, including space for ice cubes. - Removable drinking tube with a soft mouthpiece and easy access on/off valve to prevent leakage. - Convenient bite-controlled water flow for simple, hands-free use. Use scenarios - Hiking or trekking: reliable hydration on long trails without frequent stops. - Cycling or running: flexible 100 cm hose length and leak-proof mouthpiece support steady intake on the move. - Camping or endurance workouts: ample capacity and easy cleaning make it suitable for extended activities. Specifications - Capacity: 3L - Temperature range: -20 to 50 degrees Celsius - Dimensions: L 16.5 inches x W 7.87 inches - Hose length: 100 cm - Compatibility: works with most hydration backpacks - Materials: tasteless, BPA-free - Additional features: pneumatic pressure tested; double sealing sides for durability - Filling/ Cleaning: large opening; suitable for water and ice cubes - Leak protection: removable tube; soft mouthpiece with on/off valve; bite-controlled flow