Innate Doppio Tumbler - 2012 Premium grade 304 18/8 stainless steel container is super durable just like the classic "tiffin" designs Proprietary food grade silicone lid collapses flat for compact packing with a secure seal, yet pops up for use as an eating bowl A great integrated solution when you need to pack food on hiking trips; Consider using the MC2 as a way to save fuel on trekking outings by hydrating grains or legumes during the day; See the Recipes tab for a couple of tasty dishes that use this daytime hydration method MC2bowl is microwave-able making it ideal for daily office or school use Stable base with folding flexible walls is spill-resistant due to encapsulated perimeter material