high tension mattress
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Heavy Duty Innerspring Mattress
1. The strong spring mattress can carry about 50% more weight than the typical ones, thanks to the use of heavy-duty spring wire (thickness increased up to 3.0mm). 2. Together with heat-treated springs, a heavy-duty edge frame has been used to provide such a strong reinforcement to the mattress structure that it is hard to find a sagging one after a long time. So it is indeed a great idea to maintain the shape of the mattress without sagging for a long time. 3. A good balance between firmness and softness of the mattress is achieved by using both high-density foam and breathable antibacterial layers.
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