Stainless steel thermos bottle/vacuum flasks excellent quality. Made with 304 stainless steel materials and food level quality approved materials. Safe and won’t leak. Convenient and portable. Can be use at home, daily office work, camping, traveling and many more. Keep temperature up to 8 hours and stays cold 24 hours. Double vacuum insulated wall construction allows for hot tea, soups, coffee, or other blends to remain consistently hot for up to 12 hours. Also, cold water, smoothies, sofe drinks or anything you may need very cold , 24 hours of insulated confidence. Guaranteed cold period! Capacity 800ml with individual box.