Simple Modern Provision Insulated Food Jar The Simple Modern Provision Insulated Food Jar Thermos ($12) has an Amazon's Choice badge, over 2,500 ratings, and 4.5 stars — and we have to believe it has something to do with the sleek stainless-steel look and fun patterns. But, I have to shout out the wide mouth for easy eating and cleaning and the double-walled vacuum insulation for those who like their oats warm. Image Source: amazon.com Simple Modern Provision Insulated Food Jar Thermos $12 from amazon.com Buy Now