Large Capacity Wide Mouth Thermos Insulated Vacuum Stainless Steel 30 Oz Travel Mug Sports Water Bottle The thermal sports water bottle with advanced thermal technology will keep beverages cold up to 24 hours and hot for up to 12 hours. Unique copper plated, vacuum insulated bottle and threaded stainless steel screw off cap provides all day insulation. 100% stainless steel outer and inner wall, superior vacuum insulation. Wide mouth for easy filling and drinking coffee and to avoid scald. Large capacity of 30/40 Oz satisfy your demand for campers, hikers, at the gym, yoga class, at work, home or anywhere you need to stay hydrated. Double walled design also ensures no sweating or condensation. Perfectly suited for storage in your purse, gym bag, or book bag with no damp mess. Crafted from 18-8 food grade stainless steel and, unlike plastic water bottles, contains absolutely no hazardous BPAs whatsoever.