52 oz Click to see full answer. Similarly, it is asked, how many ounces is a Bubba water bottle?Get your flow on with the 24 oz bubba Flo Duo Water Bottle.Similarly, what’s a Bubba Cup? Bubba Kegs (or mugs) are actually super insulated mugs to drink from. They come in a variety of sizes and are relatively inexpensive. In respect to this, how many cups are in a Bubba Cup? Amazon.com | bubba 52 oz mug classic black with gray bubba big straw: Insulated Mugs: Coffee Cups & Mugs.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.