The Hopper M12 Soft Backpack Cooler allows you to put the day on your back, literally. This hands free cooler bag comfortably straps on like a backpack to keep you mobile, while a strip of ultra strong magnets keeps the cold locked in. The new MagShield Access opens wide so you can easily load in beer, ice, or your favorite sandwiches. Attach accessories such as the Rambler Bottle Sling or Sidekick Dry Gear Case to the HitchPoint Grid to keep useful gear at your fingertips. The Hopper M12 is the cooler that goes where other coolers can't. Slim, tapered design and ergonomic straps evenly distribute weight for an easier haul Closed cell rubber foam offers far superior cold-holding to ordinary soft coolers High-density fabric withstands punctures and UV rays, to help extend the life of the cooler To help extend the life of the cooler, both the interior and exterior materials are treated to be mildew resistant