As seen on Shark Tank, invented by Chris Gronkowski and co-owner Rob Gronkowski! This 26 oz. double wall stainless steel tumbler is vacuum-insulated for hot or cold beverages. Done in maroon and gold with some laser etch and overlay of the Bulldogs logo imprint on one side and UMD on the other side.

Product details:

• Keeps liquid cold for up to 30 hours
• Versatile flex lid allows for two ways to drink
• Measurement markings inside bottle
• Convenient carry handle lid
• Stainless steel with double wall insulation
• Fits in all standard size cup holders
• 8 inch tall tumbler
• Silicone base
• Dishwasher safe on top rack but handwash is recommended
• Spill proof