The classic mug you know and love is reimagined with the modern design and unmatched temperature retention of the EcoVessel® Transit Vacuum Insulated Mug. It features 18/8 food-grade double wall stainless steel construction and copper lining to keep your favorite drink cold for 48 hours and hot for 4 hours. The Transit Mug is comfortable to hold and easy to carry with its ergonomic handle and its multi-position push-in slider lid keeps the drink safe from spills. A non-slip silicone base is protective to both the mug and the tabletop surface and the powder coating finish is durable and sweat-proof. Through their partnership with 1% for the Planet, EcoVessel donates a minimum of 1% of all sales to various environmental nonprofits. FDA compliant and BPA Free.