standard spring mattress
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Bonnell Spring Mattress
1. Most standard spring mattresses come with a Bonnell spring at its center. This type of spring is made of coils connected by spiral steel wires that form a network which mainly supports the even spreading of weight and also offers a high load capacity. 2. Apart from the mattress edges being strengthened by a steel wire frame to make them thicker, the frame also serves as a mattress anti-sagging device and, at the same time, increases the usable sleeping area. 3. Because it is a well-designed and reliable product, this mattress is very affordable. So, it is an ideal product for buying a large quantity and new projects.
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