Bonnel or Inner Spring

Innerspring mattress systems are the oldest type of mattresses. They are mainly made up of interconnected coils and a layer of cushioning. This layer can be made of fabric, foam or latex. The Bonnell spring mattress is a type of innerspring mattress. Its differentiating factor is the shape of the coil which resembles that of an hourglass, with a wider top and bottom section and narrow middle. This type of mattress is durable and affordable, making it popular among many homeowners.

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