| 摘要 |
A display holder, comprising a flat rectangular sleeve ( 1 ) for receiving a sheet ( 2 ) to be displayed, the sleeve ( 1 ) comprising a transparent front panel ( 3 ) and a rear panel ( 4 ) both made of plastics material and being scaled around the whole of its periphery by a weld ( 8 ). The rear panel ( 4 ) has an aperture ( 10 ) therein spaced from the periphery to facilitate insertion of a sheet ( 2 ) into the sleeve ( 1 ), the aperture being closable after insertion of the sheet by a layer of waterproof material fixed over the aperture by adhesive. The aperture may be an elongate slit ( 10 ) which is sealed by means of self adhesive tape ( 11 ).
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