Using Your New bubba Travel Mug – Use your bubba stainless steel tumbler for hot or cold beverages. – Your bubba stainless steel tumbler is dishwasher safe and not for use in the microwave.Click to see full answer. Regarding this, how do you clean a Bubba Cup? Fill a bowl with hot water and baking soda and soak the lids and caps for 2-3 hours; weigh it down with a heavy plate. Remove the lids and rinse them thoroughly with hot water and dish soap. If possible, remove any excess parts from the lids and clean them out with a cotton Q-tip soaked in alcohol. One may also ask, can you put a metal cup in the freezer? As the liquid freezes and expands, it can cause your water bottle or travel mug to become deformed and misshapen. If you place a stainless steel water bottle in a freezer, you might unintentionally and up damaging the vacuum seal, causing it to lose its insulating properties and not keep your water cold for as long. Hereof, can Bubba cups hold hot? Using Your New bubba Mug – Use your bubba travel mug for both hot and cold beverages. Your hot beverages stay hot for hours, and your cold beverages stay colder longer, thanks to dual-wall insulation. – Your bubba mug is hand wash only and not for use in the microwave.Are Bubba water bottles safe?- Use your bubba water bottle for cold beverages. Dual-wall insulation keeps drinks colder, longer. – Your bubba water bottle is dishwasher safe and not for use in the microwave.