| 摘要 |
The invention relates to packaging products. A flat product in sheet, strip or wound form, particularly flexible, supple and inextensible, comprising distributed holes allowing the passage of a gaseous fluid through the flat product, is characterised in that the total area of the holes 2 per unit of area of flat product 1 is variable, and in that in particular at least one zone 3 has a total area of holes per unit area less than the total area of holes per unit area in the other zones, 4, 5. Application as wrapping paper for food products, cheeses in particular. <IMAGE>
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