Shipping containers, and more particularly insulated shipping containers, for holding temperature sensitive products and coolant in a predetermined relationship to maintain a refrigerated or frozen condition for an extended period of time. The printing apparatus can include a media path configured to transport media sheets. The connector guard may be dissolved or degraded via a reactive agent or temperature either introduced downhole proximate to the guards or contained within a chamber included in or created by a connector guard. The edge frictionally engages the leg of the hinge to hold the cover in an open position and limit rotation of the cover.