Time to bring freshness and fun back to lunchtime! This collapsible Freezable Classic Lunch Box uses built-in cooling technology to keep your little one's lunch cool for hours. Just put the lunchbox in the freezer overnight and voila! Made exclusively for kids with non-toxic poly canvas, and food-safe, water-resistant lining, this innovative lunchbox has sturdy, easy-glide zippers and a buckle handle to clip directly to their backpacks.