NWT. Stanley Adventure Tough-To-Tip Admiral's Mug | 20 OZ ~ Hammertone Green. This retro-inspired mug is made to stay put, no matter where you set it down—truck dashboard, boat console, or even that wobbly desk in your office. The wide base and non-skid bottom are designed for stability, while the double-wall vacuum insulation keeps drinks hot or cold longer. There’s even a leak-resistant flip lid that locks in place for security. DOUBLE VACUUM INSULATION: Double vacuum insulation doesn’t allow the outside temperature to affect the drink you stored in and that the reason it keeps drinks hot 4 hours, cold 6 hours or iced 24 hours. TOUGH AND DURABLE: Manufactured using 18/8 stainless steel exterior with electro-polished interiors which makes the steel less likely to retain strange odors and flavors, the BPA free lid does not doesn’t affect the taste, the study handle make it easy to carry or to serve easily. EASY TO CLEAN: Stanley travel mug has wide mouth opening, you can easily fill or clean it with regular brush, it is dishwasher safe, and the lid is designed to disassemble easily and clean with water or soap.