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Big soft is easy to deteriorate, not good.
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Resilient ones are better.
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It's good, it's comfortable.
The sofa sponge is very hard and good, and it does not deform.
Ask why.
Question: Many sofas nowadays have soft backrests. >>>More
1.Advantages of hard sponge: The sitting feeling of hard sponge is softer and more comfortable, and the feel is very delicate, which is suitable for sofa filling. >>>More
Sponge identification method, there are foam sponges and rubber sponges on the market, the rubber is a little better, press hard with a finger to see which kind of rubber sponge is good to bounce back quickly and leave no traces.
This kind of is an obvious quality problem, if the pillow is paid, then you can directly contact the merchant and ask for a return, if the merchant does not deal with it, you can directly go to the consumer association to complain.