Practical and utterly charming, our lunch box in black printed with hearts is the perfect back-to-school essential from the ""Back To Cool!"" collection. This large-format insulated lunch bag is made from 100% recycled polyester with a fluorocarbon-free treatment, keeping food hot or cold all day long. With an interior zippered mesh pocket, a carrying strap and a removable shoulder strap, this lunch box makes lunchtime as fun as it is organized.