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In this case, it depends on your own requirements for a sitting feeling.
In fact, the price of sponge is generally more expensive, and the density of the sponge is not the same, and the price will be different.
I think the sofa sponge cushion is harder, and it doesn't collapse when sitting, and the comfort is higher.
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.
Sponge, can be replaced.
The sponge and spring are good, can maintain elasticity, and the pure sponge sits for a long time and is concave. >>>More
Ask why.
Question: Many sofas nowadays have soft backrests. >>>More
There is no uniform standard for this, and you can choose a sofa that fits hard and soft according to your preferences. >>>More