The 32oz bubba Envy mug is designed for personal use and is perfect for use at home, at work or on the beach. Holding four cups, its the perfect size to keep you hydrated without refilling, or for a quick trip to the beach, pool or park. Dual wall insulation reduces condensation and keeps drinks colder longer! Eastman Tritan construction material makes this mug impact, stain, odor and heat resistant . It is BPA-free and insulates your drink to keep temperature transfer to a minimum.