Dunlop hydro bottle this dunlop hydro insulated water bottle helps keep your drinks cool or warm depending on you intention it has zip opening so you can refill your bottle easily it has a pocket on the outside and a easy grip handle as well as carry strap these bottles are useful if you intend to do the full 18 holes dunlop hydro insulated water bottle easy to grip handle plus extra carry strap mesh pocket zip fastening on bottle plastic cap lid