The Flatterware bowl body is molded out of a single piece of flexible plastic, with a helical structure engineered into the vessel that allows the bowl to spring open every time. The only 25oz - small-pack travel set that keeps your food hot/cold and incorporates a plate. This smart design is lightweight, yet tough and flattens to less than 1 inch. Great for travel, backpackers, hiking, the car, RVs, Motorhomes, etc.