MATERIAL - Thick, hard-to-tear Canvas fabric & thermal interior lining ( aluminum foil ). It provides great insulation for both hot and cold. Durable and easy clean up,just rinse and let dry.INSULATION - Sturdy waterproof and insulated interior for excellent temperature control. Keeps foods cold (or hot) for several hours.DESIGN - Clever purse design offers large-capacity lunch box with stylish look. Built-in side pocket for utensils and napkins. Sturdy and thick handle,can handle more than 30 pounds. Light compact yet durable, easy to open, large capavity.SIZE AND WEIGHT - Lightweight. Big enough to hold lunch box fruit and a soda can and have your other items packed in it as well.Fits into your backpack. A lunch box should be easy to carry, especially if you have a long commute via public transit. This lunch bag will be the right choice.OCCASION - Professionals and trendy travelers alike appreciate this stylish insulated lunch bag. More suitable for school-going children,office women,high-school student,summer picnics,beach trips, long car rides and such.RECOMMENDED AGE GRADE - 3 years and up