other appropriate material additionally the top and bottom shock absorbing means 41 42 may have supporting ribs 45 formed to contact the inner surfaces of the sidewalls of the top and bottom boxes 43 44 the supporting ribs 45 provide space between the shock absorbing means 41 42 and the boxes 43 44 and prevent the protective plate 10 from being shaken inside in one embodiment the packaging of a single panel module may occur as follows the bottom shock absorbing means 42 may be placed in the bottom box 43 with their slots 40 facing up the protective plate 11 may then be inserted into each slot 40 of the bottom shock absorbing means 42 then the top shock absorbing means 41 may be put on top of the protective plate 11 in one exemplary embodiment the slot 40 formed in the shock absorbing means 41 42 may be made in a single shape and a single size this is because the panel module 100 is placed inside the protective plate 10 which has a constant shape and only the protective plate 11 contacts the slot 40 thus each of the shock absorbing means 41 42 and or the top and bottom boxes 43 44 may be a common size and shape which is applicable to various panel modules 100 fig8 a and 8 b show a bundle packaging structure used to pack multiple protective plates containing panel.