2 layer insulated lunch bag brivilas branded 2 layer insulated food bag size 26x18x28cm it is an ideal choice for camping, hiking, barbecue, dining out, picnics, road trips, office lunches, beaches, and more! the inner lining is made of insulation material, which can keep food warm or cold, keep food cold/warm/fresh for several hours, and can also place ice cubes. insulated lunch bag large portable cooler lunch box for office work picnic beach workout reusable freezable tote lunch bag.