A rackmount case for the accommodation of optical equipment and labelling tag is disclosed. The case comprises a box like housing comprising an end defining a rectangular opening, labelling tags each comprising a rectangular tag plate and a plurality of hinge elements arranged along an edge of the rectangular tag plate. At least one labelling tag receiving slot is within the housing for receiving one of the labelling tags. The slot comprises an opening adjacent the housing opening and a plurality of hinge elements adjacent the slot opening. The labelling tags are moveable between a first position, wherein the tags are held within the slot, and a second position wherein the tags are outside of the slot and each of the hinge elements is engaged by a respective of the second hinge elements such that the tags are rotatable about an axis in parallel to the slot opening.