?Top Quality Waterproof Hydration Pack - Military Style with a 3 Liter Water Bladder and an Insulated Cooler Bag, Made for All Who Need to Stay Hydrated, It's Just Perfect for Everyone Who Spends a Lot of Time in the Heat, This Hydration Pack is the Real Lifesaver | ?You'll Love All the Features of This 3 Liter Hydration System, Exactly What You Need for Your Hiking or Biking Adventures and Trips, Rave Events, Concerts, Plenty of Cold, Fresh Water All Day, Fits Right in Any Proper Hydration Water Backpack | ?The 3 Liter Hydration Bladder Ads No Bad or Plastic Taste to the Water and The Large Fill Hole Makes It Very Easy to Clean, the Insulated Bladder Tube Has a Soft Mouthpiece with an On/Off Shut Valve to Prevent Leaking, Will Prevent The Water From Overheating or Freezing While Hiking | ?You'll Really Like the Top-notch Insulated Bladder Sleeve Cooler Bag That Will Not Sweat with the Pouch, Durable and Works Great as a Protective Barrier for the Water Bladder and Will Keep Water Cool During Hot Days, Flexible But Durable Making It Easy to Fill and Clean | ?This 3-liter Camel Hydration Water Pack Has All the Best Features of Any Hydration Pack You Have Ever Owned, Perfect Size for a Day Hike Pack, It includes Money-back Guarantee Along With Our Great Customer Service