Thanks to the high placed handle and cup holder compatibility, this mug makes the morning commute to work easier. And since both the cup and the lid are dishwasher safe, you can relax your feet after a long day. Potholes, tight curves and bumpy gravel paths are all no problem, because this gigantic travel mug holds enough caffeine to satisfy even the biggest coffee junkie. Please note: The MagSlider lid is not drip and leak-proof and also prevents spills - it prevents heat or cold leaks. ! Potholes, tight curves and bumpy gravel paths are all no problem, because this gigantic travel mug holds enough caffeine to satisfy even the biggest coffee junkie. Thanks to the high placed handle and cup holder compatibility, this mug makes the morning commute to work easier. Plus, the StrongHold lid can be easily turned to close and is suitable for right- and left-handed users, so your daily energy source stays in place on the go. And since both the cup and the lid are dishwasher safe, you can relax your feet after a long day. Please note: The StrongHold lid is specially made for the Rambler 30 oz travel mug and is not compatible with any other Rambler drinking containers. The StrongHold travel tumbler lid can be placed in four ways and is suitable for both right and left handed users like all other Rambler drinking containers.