Inertia Gear Water Bottle Holder for Hydro Flask 40 oz Carrier w/ Pockets worn as a Sling or Backpack for (Bottle Not Included) TAKE YOUR FAVORITE BOTTLE EVERYWHERE: Do you leave your favorite bottle home, because you don't want risk damaging, dropping it, or losing it. Or it's too much hassel to carry it in your hands? You can now carry it everywhere, with our built to last water bottle holder. WEAR IT BACKPACK STYLE TOO: World's first Water Bottle Carrier that can be worn as a backpack, or messenger bag sling, with our patent pending strap system, and premium extra long 60" strap. PROTECTS AND INSULATES: The best quality bottle carrier on the market with Double Layers of protection! A Neoprene layer and a Nylon Shell prevents scratches and dings on your bottle, and adds insulation to keep your drink cold or warm. MULTIPLE UTILITY POCKETS: Large waterproof pockets for your phone, wallet, keys, snacks and money. Small pocket for cash & cards. LIFETIME WARRANTY: Our products are warrantied for life against manufacture defects, simply contact us for an exchange or refund.