In this cooler bag, you can keep your lunch and drinks refreshingly cool throughout the day! The exterior of the bag is made of RPET polyester and the interior is made of aluminum. The bag features a spacious main compartment and a small front pocket, and you can easily close it with the zipper. The shoulder strap also allows you to sling the bag over your shoulder, so you don’t have to carry it all day. Very suitable for a day out or on vacation!