Yeti Rambler 20 OZ travel mug with Stronghold Deckel Black Sku-0320-Blk This two-stage beverage handler for on the go is the only Yeti beverage container that is equipped with the Rambler Stronghold Deckel-an exhaustive upgrade to turn it on, which is equipped with a double slider magnet technology. It adds a strong layer between your freely flowing drink and the outside world if arm vibrations or lane thresholds occur. And when we talk about where you can use it, thanks to the increased handle, you can benefit practically anywhere from the comfort of the beverage owner. Please note: The Stronghold Deckel was specially made for the Rambler 20-Oz travel mug (591 ml) and does not fit on other Rambler beverage containers.