Microwave oven safe: Leakproof Jar with Foldable Spoon can be put in microwave oven for heating,which is not only for kids,children,but also great for adults,a perfect option Leakproof:Bento Box for Hot Lunch is equipped with built-in integrated sealing silicone ring, which prevents your food or soap leakage With spoon:Kids Soup Flask is designed with foldable spoon inside the inner lid and you don't need to bring a spoon or fork separately,easy to use Material:Food Flask made of environmental friendly PP is non-toxic,harmless,odorless,sturdy and long-lasting,sturdy,working for a long time Portable:Bento Soup Box features flexible spiral seal design ,which is easy to carry, healthy and environmentally friendly,perfect for picnic,camping,etc.