The funtainer food jar is vacuum insulated to keep hot foods hot and cold foods cold and since it's designed for kids it's also colorful and fun. Send them to school with mom's homemade soup so they can enjoy it fresh and hot at lunch time. If they're in the mood for a cold snack, pack it up with yogurt and berries, or apples and peanut butter. The funtainer food jar is light weight and compact so it's easy to carry on the go. kids work hard and once lunchtime hits they need the healthy stuff to power them through the rest of the day. this handy kids food container has a wide mouth, which lets them gobble and gulp their food right out of the bright-colored jar. to clean, you can pop your funtainer food jar in the dishwasher; however washing by hand is recommended.