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It's a sponge problem, and it's likely that either a soft sponge is used, or a core made of those crushed sponges is relatively hard.
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If the sponge is not enough, or the material is not very good, it is best to pay attention to it when buying.
If there is a problem with the inferior glue or the filling inside, go to the merchant immediately to replace it, and if it doesn't work, buy a better one, for the sake of your family and your own health. %D%A
"Sofa (SF)" refers to the first person to reply to the post. 1 >>>More
It's the same as cracking leather shoes, after all, leather goods need maintenance.
If you do not clean the dust and dirt on the sofa for a long time, the bacteria that stay on the surface of the sofa will grow and multiply at a certain humidity and temperature, which will cause the sofa to have a musty smell and mold. Therefore, it is necessary to clean the dust and dirt and bacteria on the sofa for a period of time to protect the sofa.
"Sofa" is a loanword, transliterated from the English word sofa. >>>More