Rhode Island Heart 15 oz Mug | Dark Gray yeti-colster2 Clinically proven accuracy within 3%

Clinically proven accuracy within 3% of manual readings through Mayo Clinic trials

The flip-top closure resists spills and is straw friendly

Athletic Heather and Black Heather CVC: 90% Airlume combed and ring-spun cotton

Superior heat and cold resistant compared to non-insulated tumblers

A thick sham helps to increase the perceived value of your beverage presentation

Rhode Island Heart 15 oz Mug | Dark Gray yeti-colster2 Clinically proven accuracy within 3%15 oz. Double wall, vacuum insulation Clear, slider lid 2X heat and cold resistant compared to non insulated tumblers High quality construction Slight texture with a matte finish