The Snack Lunch Box With Steel Inner is crafted for the health conscious folks that are practical; it’s build up of a strong, BPA free outer shell, with a stainless steel lining inside. Not only is the stainless steel interior easy to clean, it’s also durable and a good choice for everyday use. Its leak proof lid keeps food safe so hazard free meal time experience. this as a dual layer, your snacks and meals will stay fresh and at their freshest temperature longer. It’s light, portable and great for school, work, or travel.