物品易碎，请以耐用包装来装箱。
As this article is fragile, please case it into durable packaging.
一俟加热，它再次收缩，形成一个气密而耐用的包装。
Once heat is applied, it shrinks again, creating an air-tight, durable wrapping.
由于这批货极易受损，所以拜托你们务必使用耐用的包装材料。
These goods can be broken very easily, so we would be thankful if you would be sure to use durable packing materials.
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