Abstract: A container for storing or transporting delicate or perishable merchandise consists of a box having two end elements and two faces and seated on a handling base such as a pallet. The box is formed by two panels each having a central portion constituting one face, the central portion being placed between two side flaps each forming part of one of the end elements, the interior of the box being lined with insulating material. The flaps can be folded back against the central portion which can in turn be folded back against the base, locking means being provided for maintaining insulating plates in position when the box is erected.