The b.box Batman Flexi Insulated Lunch Bag is the ultimate lunchtime companion for little superheroes, featuring a bold Batman design that kids will love and a flexible, expandable body that fits more of their favorite lunch combinations including a bento box, snack box, and water bottle all at once. Crafted from eco-friendly recycled polyester (rPET) outer with an aluminium and EVA lining and EPE foam insulation, each bag saves 16 plastic bottles from landfill, keeping food cooler for longer whether at school, on outings, or long trips. The spacious interior measures 11.81"H x 9.45"W x 3.15"D with a capacity of approximately 21 cups (169.1 fl oz), and includes a mesh pocket for an optional jumbo cooler ice pack (sold separately) for extra chilling power on hot days. Designed for on-the-go convenience with an easy-to-use zipper opening and a carry handle, this lunch bag is fully machine washable up to 30°C (air dry only), making it as practical as it is fun for parents and kids alike.