Hydro Flask 5L Insulated Lunch Bag NWT The 5L insulated lunch bag keeps sandwiches, snacks and fruit. It’s easy to clean, and sized for your Hydro Flask bottles and food jars. Lightweight insulation keeps contents fresh for hours when used with an ice pack Fully-lined interior with welded seams for easy cleaning Exterior fabric is abrasion- and water-resistant Quick grab handles for easy carry Large exterior pocket and zippered interior pocket for stashing napkins and flatware FDA food grade interior lining