The classic green 16 ounce Stanley vacuum camp mug now sports a Grand Canyon logo. There’s nothing like the feeling of unzipping the tent and tasting that brisk morning air with a hot cup of joe in your hand. If you want to make that feeling last for hours, this sturdy vacuum insulated mug is exactly what the doctor ordered. Made from stainless steel with double wall vacuum insulation and BPA-free plastic, this mug is leak-resistant and comes with a flip lid. Designed to keep hot drinks hot for 2.5 hours and cold drinks cold for up 4.5 hours!