The 5ive Star Gear® 2.5L Hydration Bladder keeps your water close and eliminates the need to stop or slow down to fight with opening a water bottle. This bladder is capable of storing up to 2.5 liters of water and uses a screw top cap to prevent leaking. It also features hanger slots for easy mounting and drying making it a portable, yet practical bladder that won't spill or puncture.