A portable insulated storage container includes an insulated body having an internal cavity for storing one or more items and an insulated lid. The insulated body includes a base, first and second opposing end panels, and first and second opposing side panels. The first and second opposing end panels are each configured to move between a first vertical orientation and a second horizontal orientation. Each of the first and second opposing side panels includes an upper portion connected to a lower portion by a hinge. The insulated lid configured to engage the insulated body to close the internal cavity.