300x500mm Access Panels Inspection Hatch Access Door ABS Plastic Internal dimensions: 296x496mm; External dimensions: 318x518mm; High Quality ABS plastic; Colour: WHITE; Hinged; Left or Right opening; Detachable Doors For Easier Access; Rounded Design For Clean Finish On Plaster Or Plasterboard Surfaces; Access panel has the right or left opening. Door panel is also removable.