The EcoBox is made from 100% biodegradable wheat straw fiber, so at the end of its lifespan, it simply returns to nature. There are no toxins, allergens, or BPA’s included. It is also gluten free and FDA approved. It will fit neatly into any handbag or schoolbag.  It's light and compact, and guaranteed leak-proof.  It's also microwave, dishwasher and freezer safe.