| 摘要 |
A length of wrapping material (10) of the kind comprising at least one layer of a corrugated sheet material (15) and at least one other layer of a flexible shee t material (14) which layers are bonded together to form a composite material, has at least one line of weakness (20) formed therein to extend along the length of the material in a direction transverse to the corrugations, whereby folding o f the material about said line of weakness (20) is facilitated. The lines of weakness are preferable formed as gaps in the layer of corrugated material (15) and the material (10) The material may be formed into a roll (11) in the normal manner. In use the material can be folded around articles of much greater length than the width of the material by drawing off a suitable length (12) of the material from the roll (11) and folding it on the lines of weakness (20) to enclose the articles.
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